How to Grow Silversand
Silversand
Dichondra argentea
grassSilversand is a delicate, low-growing ornamental groundcover prized for its tiny, silvery-white, heart-shaped leaves that create a shimmering effect in the landscape. It grows as a spreading mat typically 2-4 inches tall and is valued for its drought tolerance and ability to soften hardscapes. Often used as an accent plant in containers, borders, and xeriscape gardens.
When should you plant Silversand in your zone?
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Example Silversand timeline · Pittsburgh, PA (Zone 6b)
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Plant Silversand
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Silversand
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Silversand dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; tender perennial best grown as annual or container plant in cooler zones
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Germination & Seedling
10-14 days to germination; 2-3 weeks as seedlingTiny leaves emerge from seed; delicate appearance with minimal root system. Seedlings are very small and fragile.
Keep soil consistently moist but not waterlogged. Provide bright light. Germination may be slow; be patient. Keep humidity moderate to prevent damping off.
Establishment
2-4 weeksYoung plants begin developing stronger root systems and spreading lateral growth. Leaves gradually increase in number and density.
Begin reducing watering frequency as roots develop. Do not fertilize heavily; light feeding only. Ensure excellent drainage. Gradually acclimate to full sun if starting indoors.
Vegetative Growth
Ongoing during growing seasonPlant spreads outward, creating a silvery mat. Foliage becomes denser and more uniform. No flowers present at this stage.
Maintain consistent watering schedule during active growth. Once established, reduce watering significantly. Light fertilization monthly is optional. Remove any dead or diseased sections.
Maturity & Flowering
Several months to years depending on growing conditionsPlant reaches full spread; may produce tiny, inconspicuous white or pale flowers on thin stems. Flowering is minimal and not the main ornamental feature.
Deadheading is not necessary. Established plants are drought-tolerant and require minimal care. Monitor for pests and diseases in humid conditions.
Decline/Dormancy
Winter period; variable depending on zoneIn cooler zones or during winter, foliage may brown or dieback. In frost-prone areas, plant may die back to soil line.
In zones 9b-10a, provide frost protection with mulch or row cover. Reduce watering in winter. May recover from roots in spring in marginal zones. Treat as annual in zones below 9b.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use neem oil or insecticidal soap if severe. Increase humidity slightly if indoors. Most problematic in hot, dry conditions.
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Yellow sticky traps; insecticidal soap; neem oil. Isolate affected plants if in containers.
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Ensure excellent drainage and air circulation. Avoid overwatering. Remove affected foliage. Reduce humidity. Apply fungicide if necessary.
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and
Hand-pick; beer traps; copper barriers. Less common but may appear in moist conditions.
Uses
Ornamental Groundcover & Landscape Accent
HouseholdSilversand creates a striking silvery foliage effect in xeriscape gardens, rock gardens, and as a border plant. Its delicate appearance and low growth habit make it ideal for edging pathways, softening hardscapes, and creating visual interest in dry gardens without frequent watering requirements. [source]
Container & Pot Culture
HouseholdSilversand thrives in containers, hanging baskets, and window boxes where its cascading silvery foliage creates an elegant display. Container growing is particularly popular in cooler climates where it can be overwintered indoors or treated as an annual. [source]
Dried Arrangements & Floral Design
CraftThe silvery foliage dries beautifully and retains its color, making it useful for dried flower arrangements, wreaths, and floral crafts. Its delicate texture adds dimension and contrast to dried botanical projects. [source]
Pollinator-Friendly Plant
WildlifeThough flowers are inconspicuous, Silversand may provide minimal forage for insects. Its low-growing habit and drought tolerance support sustainable garden design and water conservation for wildlife habitat. [source]
Drought-Resistant Landscaping
HouseholdSilversand is an excellent choice for water-wise gardens and regions with limited rainfall. Once established, it requires minimal supplemental watering and maintenance, making it ideal for sustainable landscape design and reducing irrigation costs. [source]
Harvest Tips
Silversand is ornamental and not harvested for consumption. For propagation, take stem cuttings in spring or summer and root in well-draining propagation medium. Seeds can be collected from mature plants if flowers have set seed.
Fun Facts
- 🌱 Silversand (Dichondra argentea) is also called 'Silver Falls' when grown as a trailing plant in containers, where its cascading silvery foliage can drape 18+ inches over pot edges.
- 🌱 The name 'argentea' comes from the Latin word for silver, referring to the distinctive silvery-white coloration of the foliage that becomes more pronounced in bright sunlight.
- 🌱 Unlike many ornamental groundcovers, Silversand thrives in poor, sandy soils where other plants struggle, making it a cost-effective solution for difficult landscape areas and xeriscape designs.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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