Xerosicyos Danguyi or Silver Dollar Vine: Ultimate Grow & Care Guide

When I asked my friend for an easy-growing vine plant suggestion, he answered with Silver Dollar Vine.     

The name made me laugh; however, when I researched regarding it, I was pleased to know the plant is a relatively low-maintenance succulent to brighten up my space. 

Generally, Xerosicyos Danguyi or Silver Dollar Vine needs 6-8 hours of bright indirect light, 65-80°F temperature, under 50%, and weekly hydration. Besides, it also requires a well-draining soil mix of 6-6.5 pH, annual fertilization, periodical pruning, and bi-yearly repotting.

Xerosicyos Danguyi in the potting soil
Silver Dollar Vine is a part of the same family of vegetable Cucumber.

Silver Dollar Vine or Xerosicyos danguyi is happy while getting the hottest, driest spot in the garden. Thus, the plant may get overwintered outdoors in frost-less climates. 

If you own Silver Dollar Vine but are perplexed about growing indoors and outdoors, do not miss this article!

Overview of Xerosicyos Danguyi or Silver Dollar Vine

The Silver Dollar Vine is a blooming succulent liana. It is a creeping vine with fleshy spherical leaves in a cylindrical stem. 

Lianas are a type of long woody vine with roots that depend on the ground and climb up trees or other vertical objects to obtain necessary sunlight. 

Many gardeners mistake  Silver Dollar Vine for the String of Nickels (Dischidia nummularia) due to its similar nature of stem hanging down. 

However, they are a member of the Cucurbitaceae family and originate from relatively arid scrub woodland or dunes in the southern Atsimo-Andrefana area of Madagascar.

Get some insight into Silver Dollar Vine in brief!

Indicators Identity
Scientific Name Xerosicyos danguyi
Common NameSilver dollar vine, dollar vine, penny plant, or silver dollar succulent
Origin Madagascar
Family Cucurbitaceae (guard family or cucurbits)
Genus Xerosicyos
USDA Zone 9 to 11
Plant Type Evergreen liana
Growth Rate Moderate
Foliage Almost round blue-green, very-gray leaves, or gray-green leaves
Flowering Habit greenish-yellow Inflorescence
Blooming Period Spring/summer
Toxicity Not toxic to dogs, cats, or humans
Common Pests Aphids, Mealybugs
DiseasesSeptoria leaf spot, root rot, clubroot, and powdery mildew

Xerosicyos Danguyi or Silver Dollar Vine: Plant on Sale

After coming across this unique plant, just like me, you might want to add them to your lovely plant collection!

Here is a list of websites to assist you in managing your purchase.

Where to Buy Pros/Cons
EtsyPros: Reasonable price with delivery within a 2 weeks.
Cons: Limited options
Gulley Greenhouse & Garden CenterPros: Comparatively Cheaper
Cons: Ships on Mondays & Tuesdays only
Fern Farm Plants Pros: Most deliveries arrive within 5 days.
Cons: Plant is sent 'bare rooted' without a pot or soil.

Xerosicyos Danguyi or Silver Dollar Vine- A Complete Care

The unique scientific name of this plant derives from the Greek words xeros, which means dry, and sicyos, which represents cucumber.

Therefore, the plant is related to the common garden cucumber, but it lives a much more arid lifestyle and uses barely any water.

The following details are crucial to the care for Xerosicyos danguyi!

Factors Parameters
Sunlight6-8 indirect bright light
Watering1-3 times in a week during summer
Temperature 65 to 80 degrees Fahrenheit
Humidity Low to moderate (Under 50%)
Soil Type Well-drained soil, slightly acid
Soil pH 6.0 – 6.5
FertilizerLow release fertilizer once a year
Re-pottingOnce every 2 years
Pruning During spring and summer

1. Indirect Bright Light

The Silver Dollar Vine plants grow in the hot tropical areas of Madagascar, making them demand bright but indirect sunlight. 

Dollar vine is suitable for outdoor placements like your garden under the shade of different plants. You can provide the plant with 6-8 hours of indirect but bright sunlight.

They have outstanding heat resistance, so you don’t need to worry about the hot summer weather!

Xerosicyos Danguyi under sunlight
Do not leave your Silver Dollar Vine outdoors for more than 6 hours.

However, it’s essential to consider both the intensity of the light and the length of time your plant is exposed.

Low Light Indicators Extreme Light Indicators
Sluggish, and stunted development of the plant. Curling of leaves
Lack of Chlorophyll Burn spots and scorching of leaves.
Loss of Green pigment in the leaves. Pale leaves
Small and discolored leaves. The plant's rosettes will shut.

Tips to Provide Adequate Sunlight 

  • Place your vine plant on a southern-facing window to receive adequate sunlight. 
  • Keep your place 5-8 feet away from the window to prevent the leaves from scorching. 
  • You can also have translucent drapes in the windows to protect them from the harsh sunlight. 
  • During cold winter days, leave your plant in your yard to get as much sunlight as possible. 
  • However, bring the plant to your warm temperature room when the temperature drops. Withdraw the plant from the window sill if the window sill receives icy snow.
  • Similarly, you can also provide artificial grow lights for your plant. Ensure your plant supplies 12-14 hours or 40,000 to 100,000 lux of artificial light daily. 
  • To ensure sunlight covers your plant’s leaves equally, rotate it once weekly.

The ideal placement for Artificial Lights is atop your plant with 20 inches distance between the plant and the light. Know about Light Color for Houseplants and it’s effect on your plant’s growth. 

2. Moderate Hydration 

Did you know  Silver Dollar Vine is drought-tolerant? When your plant is drought-resistant, it may produce biomass even during a drought.

Silver Dollar Vine will need more or less water according to the season. 

You can water Silver Dollar Vine once to thrice a week during the summer days. However, tone down on the watering in winter and hydrate them weekly to once every six weeks. 

silver dollar vine in hand
Water your Silver Dollar Vine when the soil is dry, about 2-3 inches from the top.

When your plant has watering issues, it will display the following symptoms. 

Symptoms of Underwatering Symptoms of Overwatering
The leaves grow smaller.Root rot
The tips of the plant start shriveling, yellowing, browningThe base of the petioles seem weak and brown.
Leaves start to wrinkle or pucker slightly.It causes yellowing leaves.
The soil gets bone dry in the lack of watering.Later, the leaves start wilting and drooping suddenly.

Similarly, water type and quality can also cause distress in the growth of your Silver Dollar Vine. 

Thus, it is better to use Distilled or filtered water. Likewise, you can also use tap water but leave the water overnight to dissipate chlorine. 

Tips for Proper Watering 

  • Pour enough water and stop once the water starts flowing from the drainage holes.  
  • Hydrate your plant from the base by filling up a plate with water and placing the plant on it. After the plant absorbs the water, make sure to drain it out. 
  • Don’t water your Silver Dollar unless the top quarter of the soil is completely dry. 
  • To determine the condition of your soil for proper hydration, you can use a moisture meter
  • Do not water the stem and leaves of your plant. 

You can add some cute Mini Watering Cans to add aesthetic touch to your plants. 

3. Warm Temperature

Being native to Toliara, Madagascar, Silver Dollar Vine thrives in warm temperatures. 

If you reside in the frosty zone, you may need to provide a cozy environment through artificial temperature generators. 

Silver Dollar Vine prefers temperatures ranging from around 65 to 80 degrees Fahrenheit (18.3 to 26.7°C).

small silver dollar vine in the kitchen
The Plant has yellow leaves due to excess temperature.

Similarly, they can width stand high temperatures such as 104 degrees Fahrenheit (40°C). On the other hand, they can also tolerate temperatures as low as 25 degrees Fahrenheit (-3.9°C). 

However, if there is any fluctuation among the mentioned temperatures, your plant will likely come across curling and drooping leaves in  Silver Dollar Vine. 

Yellow leaves, falling, wilting leaves, and stunted and slow growth are additional temperature stress. 

Thus, you must ensure the temperature does not drop from the wintertime minimum threshold.

Tips to Keep Ideal Temperature

  • Avoid placing your Sillar Dollar near vents for the heater and air conditioner.
  • If you live in a severe, cold climate, you must bring your plant indoors before the temperature drops below 25 degrees Fahrenheit.
  • Similarly, if the temperature goes too low, cover your plant with a frost blanket or a plastic bag to protect it from the cold.
  • To determine the perfect conditions for your plant, use a hygrometer.
  • You can also lay a heating pad underneath the pot to maintain the ideal temperature and prevent cold stress.
  • Another way you can increase the temperature is by mixing mulch with the potting mix of your plant. 

4. Medium Humidity

Silver Dollar Vine is succulent, which makes it appropriate for a dry environment. 

Low to moderate humidity is ideal; however, it can withstand even greater levels. 

Thus, Silver Dollar Vine thrives with humidity levels under 50%.

It’s essential to keep an eye on the humidity and temperature levels because even modest increases can make the plant more susceptible to diseases.

Similarly, you might need to relocate your plant’s position if you live in a climate with excessive humidity or cannot maintain the temperature within the ideal range. 

High HumidityLow Humidity
Grey mold spots Browning and crunchy leaves
Sign of humidity mold development on soilReduced size of leaves
Fungi infectionsFalling of yellow leaves
Mold development on the plant Wilting leaves

Tips for Keeping the Optimal Humidity 

  • If there are signs of low humidity, you can mist the plant.
  • Put the houseplants close together to increase the humidity naturally. However, you must be cautious about illness and pest problems.
silver dollar vine in group
Grouping the silver dollar vine to other houseplants helps increase humidity.
  • Similarly, set the pot in a pebble tray when your plant feels dry and add water to hydrate the soil.
  • Move your plant indoors during the winter to areas of your home with higher humidity levels, such as the kitchen or the bathroom.
  • A humidifier can increase the humidity in your space, and You can use a hygrometer to measure it.

5. Succulent Soil Mix

Another essential element that is vital for promoting a plant’s growth rate is the soil mix. 

For the majority of succulent plants, cactus soil works best.

Similarly, your Silver Dollar Vine will thrive in a well-draining succulent or cactus soil mix with a pH of 6 to 6.5.

Likewise, succulents require potting soil that is soil, quick-draining, and has excellent aeration and drainage.

seedlings of silver dollar vine
Silver Dollar Vine likes slightly acid soil or potting mixes.

This kind of soil has a high sand concentration and is a lightweight, fast-draining composition.

A commercial cactus or succulent soil mix is available from garden centers. Here are a few recommendations for your plant to thrive! 

Soil Mix Images Specifications
Hoffman Organic Cactus and Succulent Soil MixContains Canadian Sphagnum Peat Moss, Reed Sedge Peat, Perlite, Sand, and Limestone
Espoma Organic Cactus Potting Soil MixContains a rich blend of natural ingredients with no synthetic plant foods or chemicals
Sun Gro Horticulture Black Gold Cactus MixBlend to suit the growth of the plant with volcanic pumice, perlite, sand and forest humus
Mr. Good Stuff SoilFast draining 6.5 pH succulent potting soil which prevents rotting and overwatering

If you decide to make your soil mixture, mix potting mixes, including perlite, and coarse sand, equally.

6. Slow-Release Fertilizer

One of the advantages of having this beautiful succulent is that it doesn’t require frequent or a lot of fertilizer. 

You can fertilize your Silver Dollar Vine once a year during its growing seasons, i.e., summer and spring. 

When fertilizing the plant, you can use slow-release fertilizers. Such fertilizers give your plant a consistent supply of nutrients over a prolonged period.

Silver Dollar Vine is a light feeder, so you can feed it once a year. 

Similarly, such fertilizers also contain nutrients for plants, mainly nitrogen, but in a state that postpones their early availability.

You can apply 1 liter of water and 1/4 teaspoon (1.25 ml) of 20-20-20 NPK fertilizer to the soil surrounding the plant.

Here are some recommended slow-release fertilizers for the growth of your Silver Dollar Vine:

As mentioned, it is clear you must not fertilize your plant more than necessary, or your plant might suffer from the over-fertilization signs mentioned below!

  • Browning of Silver Dollar Vine leaves
  • The lower leaves of the plant will wither.
  • Salt and fertilizer crusts accumulate on the soil’s surface and roots.
  • Drooping of leaves
  • Discoloration of the plant’s stem (yellowing)
  • Oxidation of leaf tips and edges

Tips to Fertilize Silver Dollar Vine 

  • Mix the fertilizer in the water as instructed in the packet.
  • .Pour the mix into the pot and let the plant absorb through the roots.
  • Do not let the fertilizer touch the parts of the plant, such as leaves, stems, or roots.
  • Also, do not fertilize the plant during its dormancy.
  • Avoid overfertilizing the plant, which may exceed the dose.

You can also cater to Silver Dollar Vine with the slow-releasing fertilizer without water (in concrete form). Whenever you water the plant, it absorbs the fertilizer. 

7. Biennial Repotting

Since Silver Dollar Vine has moderate growth, you do not need to repot it frequently. 

Repotting is essential as it allows the roots to expand in new-nutritional soil.  

You can repot your plant once every two years during its growing season, spring. 

uprooted Silver Dollar Vine
Silver Dollar Vine becomes ready to repot in a new container when the roots outgrow.

If you have bought your plant from a nursery, it is vital to repot your plant into a proper container. 

However, before repotting, let your new plant accustom for 3–4 weeks in the new surroundings.

Signs to Repot your Silver Dollar Vine 

  • Outgrowing of roots through the plant container’s drainage holes. (Root Bound)
  • Yellowing of foliage 
  • Wrinkled foliage due to dehydration
  • Reduced or slow development of plant 

How to Repot Your Silver Dollar Vine 

Here’s a step-by-step guide to repotting your plant for proper growth and nutrients:

  • Choose a terracotta pot that is 3-inch larger than your previous pot. 
  • As succulents detest damp soil, ensure the container has adequate drainage holes.
  • Then, gently remove the succulent from its current container and slowly untangle the roots with your fingers.
  • In the new container, put the fresh soil mix halfway. You can utilize a perlite-based well-draining succulent potting mix
  • Now, place your untangled plant in the middle of the soil and fill it with fresh soil. 
  • Lastly, water your plant and check whether the drainage holes are sufficient for releasing the excessive water. 

Here is a visual help for you!

8. Occasional Pruning 

As Xerosicyos danguyi is a climbing succulent, you need to trim it to avoid a higher and bushier plant. 

To keep the Silver Dollar Vine in good shape, prune the other bush with yellow, brown, or rusted leaves in the spring and summer.

Cuttings of silver dollar vine
You can use the pruned cuttings to generate new plants.

Similarly, it is vital to prune yellow and brown leaves and to promote your plant’s fresh development plant. 

You can effortlessly trim your Silver Dollar Vine to stimulate growth if the vines get leggy. 

Here’s a step-by-step guide to pruning your Silver Dollar Vine: 

  • Check your plant carefully and choose damaged stems or leaves to cut first.
  • Wear garden gloves to protect your hands from the plant’s sap and allergens that might irritate your skin.
  • With the help of clean pruning, shears trim the stem of your plant at a 45-degree angle just below a bud or leaf.
  • While cutting the bud, be cautious not to sever the vascular tissue of the stem. 
  • Similarly, ensure to remove the dead or diseased leaves and branches. 

Xerosicyos Danguyi or Silver Dollar Vine: All About the Growth Rate

These are evergreen climbing shrubs, so that you can guess their growth accordingly. 

Generally, Xerosicyos danguyi, or Silver Dollar Vine, has moderate growth and can grow as high as 12 to 16 feet and 4 to 6 feet wide. 

Similarly, the spherical leaves of these plants are pea-green but become silver and thicker as they grow.

As the succulent leaves, they also are approximately 0.25 inches thick, 1.6 inches long, and 1.4 inches broad. 

Since the plant is a natural climbing vine, you can place it in hanging baskets.

Unlike other plants, the leaves of Silver Dollar Vine develop in opposing directions from the branch and stem. 

You will know Silver Dollar Vine has developed a new leaf when they have a brownish tip on the leaf. 

When it comes to its stem, the plant has a solid cylindrical stem that resembles a vine and is forked and branched at minute intervals.

Similarly, the stem can reach up to 2 feet before branching off. The thin, cylindrical branches grow straight until they begin branching themselves.

Besides, Silver Dollar Vine produces clusters of tiny, star-shaped blooms which are greenish-yellow and approximately 7mm in diameter.

You’ll notice these tiny yellow beauties in the early spring or throughout spring days. Similarly, the length of the flower stalks is around 3 cm.

Xerosicyos Danguyi or Silver Dollar Vine: A Safe Plant for All

There is nothing to harm humans and pets in Xerosicyos Danguyi, so you can easily grow it indoors or around children and pets.

You can hang it in the basket or place it on the table without worrying about the passerby.

Silver Dollar Vine becomes ready to repot in a new container when the roots outgrow.

Although the plant is non-toxic, you should not allow your pets or children to nibble on any part of it.

Consuming the plant can result in nauseous, vomiting, and stomach pain in pets and humans.

Call on the helplines below if your furry pet has an emergency after mistreating the Silver Dollar Vine!

Propagation Methods for Xerosicyos Danguyi or Silver Dollar Vine

Similar to other succulents, propagating Silver Dollar Vine is an easy process. 

All you need to do is remove a section from the main stem to branch out new fresh growth. 

The two most common way to propagate your Silver Dollar Vine is stem cuttings and seed plantation. 

It is simple to replicate cuttings during the growing season, but seeds might be more difficult.

You can propagate Silver Dollar Vine through the stem; however, leaf propagation is impossible.

Similarly, the optimal season is in the middle of spring; cuttings will also send roots throughout the summer.

Since the plant will not transmit roots once winter is near, it is not advised to propagate throughout the fall and winter.

Did you know? Silver Dollar Vine cannot be propagated through leaf as the leaf may have roots, but it also needs a stem with a node to sprout a new shoot.

1. Propagation via Stem Cuttings

  • Cut a vigorous vine from the main stem of your plant using sterilized scissors.
  • Callous the vine, which means to let your vine dry out. Dry the stem for two days by placing it on clean tissue paper.
  • Then, pour fresh soil into the new container and plant your cutting in the soil.
  • Make sure to hydrate your cutting daily but do not make the soil wet and muddy. 
  • Similarly, during propagation, the tender cutting needs bright but filtered light; position it in a sunny area that only receives indirect sunlight.
  • After about two to three weeks, you will notice the growth of new roots!

You can also propagate the Silver Dollar Vine in soil medium replacing the soil. Place the cuttings in the fresh water in the jar and once the stem grows roots, transplant the rooted cuttings to the pot with soil. 

Here is a visual guide if you are confused!

2. Propagation via Seeds

  • First, collect some seeds of Silver Dollar Vine from plants or nurseries, or online shops.  
  • Grab a container and fill about 2/3 of it with succulent soil mix or well-draining soil.
  • Ensure the seeds are distributed equally throughout the soil, and then add a thin layer of soil.
  • Then, place the container in a warm location and frequently moisten the soil during germination. 
  • Similarly, make sure to keep the temperature at 70 degrees Fahrenheit. 
  • Within two to three weeks, you will notice sprouts in your container!

Common Problems in Xerosicyos Danguyi or Silver Dollar Vine

When it comes to succulents, we all know that they are resilient when it comes to pests, and Silver Dollar Vine is no exception.

However, when there are issues with its necessary conditions, it might fall victim to various problems and diseases. 

1. Common Pests  

The most common pests to invade your Xerosicyos danguyi are Aphids and Mealybugs.

Mealybugs have yellow or brown spots on the leaves, and it looks like tufts of cotton on the underside of the leaves. And Aphids represent small green flies that live under the leaves.

Solutions for Pest Infestations 

  • You can hand-pick the pests and soak them in a solution of soapy water and paint on the leaves.
  • To prevent pests from spreading further, use yellow sticky traps.
  • Spray the plant with a solution of rubbing alcohol, water, and a few drops of dawn dish soap.
drops of-water on silver dollar vine
The excess humidity can increase the attack of pests.

You can also learn how to use neem oil if you have other indoor plants. 

Preventive Measures 

  • Avoid overfeeding your plant and limit overwatering.
  • Check your indoor plants frequently for insects and pests.
  • Always sanitize the tools and equipment before trimming or pruning your plant.
  • You can repel pests by lightly rubbing 98 percent isopropyl alcohol once or twice throughout the growing season.
  • Every few weeks, clean the leaves with water.

2. Common Diseases

You will encounter common problems in your Silver Dollar Vine, including Septoria leaf spot, root rot, clubroot, and powdery mildew. 

Here are the symptoms and underlying causes to help identify the problems.

Problems Causative Agent Symptoms
Septoria leaf spotSeptoria lycopersiciSmall brown gray spots on the underside of the older leaves.
Root rot Pythium, Phytophthora, Rhizoctonia, and FusariumPlants begin to wilt, their leaves develop browning or black lesions, and their roots become mushy and weak.
ClubrootPlasmodiophora brassicaestunted, prone to wilting, possibly with yellowing leaves.
Powdery mildew infectionPodosphaera xanthiiPale yellow leaf spots on both upper and lower leaf surfaces.

Solutions for Diseases

  • Copper-based fungicides are suitable for controlling the disease’s spread. Throughout the season, apply at intervals of 7 to 10 days.
  • Optimize plant health by fertilizing, but refrain from over-fertilizing with nitrogen as it is more prone to infection.
  • Similarly, increase the soil’s pH by adding dolomite lime or oyster shells to your potting mix. 
fungicide applied on silver dollar leaves
Leaf Spot is common in Silver Dollar Vine due to exposure to various fungi.
  • Monitor your plant during the growing season to provide necessary treatments on time.
  • Trim the plant’s damaged areas using sterile pruning shears and replant them to a new soil mix if the plant has root rot.

Preventive Measures

  • Avoid using or purchasing infected Silver Dollar Vine seeds.
  • Remove sick plants with care, and after use, sanitize gardening equipment with a mixture of 1 part bleach to 4 parts of water.
  • Avoid watering your plant overhead. Simply moisten the plant at the base and ensure not to wet the leaves. 
  • Keep your plants at a fair distance and frequently rotate the plant to provide good air circulation.
  • Avoid overwatering and use a moisture meter to check the state of the soil.
  • Cover your plant with mulch to avoid spores from soaking up onto the lower leaves.

Conclusion 

Xerosicyos danguyi (Silver Dollar Vine) is an elegant succulent that will brighten up your space. 

Similarly, it is also an excellent plant for novices because it is simple to cultivate and requires minimal maintenance.

I have explained everything in a single place. Now it is your turn to employ all the instructions. 

If you are searching for the multiple vines, do not miss to read 15 different popular vines with Heart-Shaped Leaes. 

Happy Gardening!!!

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