How to Grow Starry Campion
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Starry Campion
Silene stellata
flowerStarry campion is a native North American wildflower characterized by delicate white flowers with deeply fringed petals that resemble stars. This woodland perennial grows 1-3 feet tall and produces attractive opposite leaves along sturdy stems. It blooms mid to late summer and is valued for its ornamental appeal in shade gardens and naturalized settings.
When should you plant Starry Campion in your zone?
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Example Starry Campion timeline · Pittsburgh, PA (Zone 6b)
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Plant Starry Campion
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 Starry Campion blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Starry Campion dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-8, with best performance in cooler to moderate climates
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Germination & Seedling
4-8 weeks germination; first year is primarily vegetative growthSeeds germinate slowly after cold stratification; seedlings develop true leaves and grow slowly during first season
Stratify seeds for 4-6 weeks in moist, cold conditions; keep seedbed moist; provide dappled light; protect young plants from slugs
Vegetative Growth
First full growing season (spring through fall)Plant establishes deep taproot system and develops basal rosette of lance-shaped opposite leaves; no flowering in first year
Maintain consistent moisture; avoid transplanting once established due to deep taproot; thin seedlings to proper spacing; mulch with leaf litter to mimic woodland conditions
Flowering
6-8 weeks, typically July-SeptemberTall stems emerge in year 2, bearing terminal clusters of 5-petaled white flowers with deeply fringed edges; flowers open sequentially from bottom to top
Deadhead spent flowers to encourage continued blooming; provide support for tall stems if needed in windy locations; maintain moisture during bloom period
Seed Production
4-6 weeks post-floweringFlowers fade and develop rounded seed capsules containing numerous small black seeds; capsules dry on plant
Allow some flowers to go unpruned for self-seeding; collect seed capsules when dry for propagation or allow natural reseeding
Dormancy & Overwintering
November through MarchFoliage dies back in late fall; plant persists as underground rootstock; requires cold period for vigorous spring growth
Allow foliage to remain for wildlife cover and insulation; apply light leaf mulch in colder zones; no supplemental feeding needed
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove debris that provides shelter; use beer traps; apply diatomaceous earth; encourage ground beetles and other natural predators
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Increase humidity by misting; improve air circulation; spray with insecticidal soap if severe
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Hand-pick affected foliage; pruning to improve air circulation reduces incidence
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Spray with strong water stream; apply insecticidal soap; encourage beneficial insects like ladybugs
Uses
Pollinator Garden Plant
WildlifeStarry campion attracts bees, butterflies, and night-flying moths with its fragrant flowers; seeds provide food for songbirds. The plant's late-season blooms support pollinators when other nectar sources are scarce. [source]
Native Woodland Garden Design
CraftThis plant is essential for creating authentic woodland shade gardens and naturalized areas that mimic native plant communities of eastern North America. Its delicate flowers add ethereal beauty to shaded borders. [source]
Traditional Herbal Use
MedicinalHistorically used by Native Americans and early settlers as a poultice for wounds and skin conditions; contains saponins. Modern herbalists occasionally use it in traditional preparations, though clinical evidence is limited. [source]
Edible Flowers
CulinaryThe delicate white flowers are technically edible and have been used as a garnish in woodland cuisine and foraged food preparations, adding visual appeal to salads and other dishes. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not typically harvested for cutting, as it's best appreciated in situ in the garden. For seed collection: allow flowers to fade naturally; harvest seed capsules when they turn brown and papery (usually September-October); crack open capsules to collect seeds and allow them to dry completely before storage. Plants self-seed readily in favorable conditions.
Fun Facts
- 🌱 The scientific name 'stellata' means 'starred,' referring to the distinctive appearance of the deeply fringed flower petals that resemble stars in the night sky.
- 🌱 Starry campion produces flowers that open in the evening and release a sweet fragrance to attract night-flying moths, which are important pollinators alongside daytime visitors.
- 🌱 The plant has a deep taproot system that allows it to thrive in well-established woodland settings and makes it difficult to transplant once mature, so direct seeding or planting young nursery plants is recommended.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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