How to Grow Carpet of Snow
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Carpet of Snow
Lobularia maritima 'Carpet of Snow'
flowerCarpet of Snow is a compact annual alyssum variety known for its dense, uniform growth habit and abundant small white flowers. It creates a low-growing, spreading mound perfect for borders, edging, and containers. This prolific bloomer produces delicate, honey-scented flowers throughout the growing season.
When should you plant Carpet of Snow in your zone?
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Example Carpet of Snow timeline · Pittsburgh, PA (Zone 6b)
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Plant Carpet of Snow
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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First Carpet of Snow blooms
Around May 22≈ 35 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Carpet of Snow dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-11; excellent annual performance across most regions
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Seed Germination
7-10 daysTiny seeds sprout into threadlike seedlings with cotyledons appearing within 7-10 days
Keep soil moist but not soggy. Provide bright light. Avoid damping off by ensuring good air circulation.
Seedling Development
2-3 weeksTrue leaves emerge and small rosette forms; seedlings grow to 1-2 inches tall
Thin seedlings to proper spacing. Provide consistent moisture and bright light. Begin hardening off if grown indoors.
Vegetative Growth
2-3 weeksPlant develops branching stems and dense foliage mound; no flowers yet, reaching 4-6 inches tall
Pinch growing tips to encourage bushier growth. Water regularly. Apply balanced fertilizer every 2-3 weeks.
Flowering
8-12 weeks or until frostAbundant tiny white flowers cover the mounding plant; blooms continuously if deadheaded
Deadhead spent flowers to encourage continuous blooming. Reduce nitrogen fertilizer to promote flowering over foliage. Water during dry periods.
End of Season
Variable with climateFlower production slows in extreme heat; may rejuvenate in fall with cooler temperatures
Cut back heavily in mid-summer to refresh plant growth in cool-season regions. Allow some flowers to set seed for self-seeding.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; encourage ladybugs and parasitic wasps
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Use yellow sticky traps; spray undersides of leaves with neem oil or insecticidal soap
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and
Hand-pick at dusk; use beer traps or copper barriers; encourage ground beetles
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Increase humidity; spray with water mist; use miticide if severe
Uses
Edible Flowers
CulinaryCarpet of Snow flowers are edible and add delicate, slightly peppery flavor and decorative appeal to salads, desserts, and garnishes. The small florets provide both visual interest and subtle taste to culinary creations. [source]
Cut Flower Arrangements
HouseholdThe delicate white flowers and honey fragrance make excellent filler for fresh flower bouquets and arrangements. Long-lasting blooms continue opening over several days in a vase. [source]
Pollinator Attraction
WildlifeAbundant small flowers attract bees, butterflies, and other beneficial pollinators throughout the growing season. The prolific blooming provides extended nectar and pollen sources. [source]
Dried Flower Preservation
CraftFlowers can be air-dried for use in dried arrangements, wreaths, and craft projects. The delicate blooms retain their structure and color well when properly dried. [source]
Traditional Herbal Use
MedicinalHistorically used in herbalism as a mild diuretic and for general wellness support. Modern herbalists occasionally incorporate the flowers into herbal tea blends for their gentle properties. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Carpet of Snow is grown ornamentally rather than harvested. Deadhead spent flowers regularly to promote continuous blooming throughout the season. Cut flower stems for indoor bouquets anytime; the honey-scented blooms add delicate fragrance to arrangements.
Fun Facts
- 🌱 Carpet of Snow earned its common name from its remarkable ability to create a dense, continuous mat of white flowers that literally carpets the ground or cascades over container edges.
- 🌱 The flowers emit a delicate honey-like fragrance, particularly noticeable in the early morning and evening, making it a favorite choice for fragrant cottage gardens.
- 🌱 This variety readily self-seeds, allowing it to reseed naturally in following years in mild climates; plants can persist as cool-season bloomers even after the first frost.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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