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Product Description
Add delicate beauty and structure to your garden with Polanisia Dodecandra Flower Seeds. Known for their compact growth and unique, colorful flowers, these plants are ideal for borders, rock gardens, and container displays. Easy to grow and maintain, Polanisia Dodecandra provides long-lasting blooms and enhances the visual appeal of any home garden.
Produces unique, colorful flowers
Compact growth ideal for borders, rock gardens, and containers
Easy to grow and maintain
Adds long-lasting color, texture, and charm to home gardens
Suitable for small and medium garden spaces
Type: Annual flowering plant
Bloom Time: Late spring through summer
Height: 12–18 inches (approx.)
Spacing: 8–12 inches apart
Light Requirements: Full sun to partial shade
Zones: USDA Zones 4–9
Soil Preparation: Use well-drained soil enriched with organic matter.
Sowing: Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost. Lightly cover seeds with soil.
Watering: Keep soil evenly moist until seedlings establish. Water moderately once grown.
Germination: Seeds typically sprout within 10–14 days; warm conditions improve germination.
Care: Thin seedlings to proper spacing. Remove faded flowers to encourage continuous blooming.

Life Cycle
Annual flowering plant
Planting Season
Spring through summer
Growth Habit
Compact, bushy growth
Flavor Profile
Not applicable (ornamental flower)
Plant Characteristics
Delicate pink to white blossoms, airy foliage, light pleasant fragrance
Use
Home gardens, borders, pollinator gardens, wildflower beds
Growing Conditions
Warm climates with well-drained soil
Harvest Advantages
Fast blooming and extended flowering period
Plant Resistance
Heat tolerant and generally resistant to pests
Scientific Name: Polanisia dodecandra
Seed Names
Polanisia dodecandra Flower Seeds
Seed Type
Heirloom, GMO free, open-pollinated seeds
Polanisia dodecandra, commonly known as Clammyweed or Redwhisker Clammyweed, is a compact annual wildflower valued for its airy form and soft-colored blooms. Easy to grow and well suited for warm climates, this heirloom plant attracts pollinators and adds a natural, meadow-like charm to home gardens.
Light Requirement
Full sun
Planting Depth
¼ inch deep
Sowing Method
Direct sowing recommended
Plant Spacing
10–14 inches apart
Days to Maturity
60–80 days to flowering
Soil Preparation
No seed preparation required
Hardiness Zones
USDA Zones 5–10
Water Needs
Low to moderate; drought tolerant once established
Planting Season
Spring to early summer
Seed Count
Recommended Coverage
100
up to 150 sq ft
500
up to 750 sq ft
1000
up to 1,500 sq ft