Are Impatiens annual or perennial

Temperature: Thrives in cooler temperatures

Stratify Cold 30-75 days

each leaflet to 6” long) emerge purplish in spring

pressing them into the soil

5 Dark Purple Hydrangea Seeds (Hydrangea macrophylla) Marigold Chrysanthemum Are Impatiens annual or perennialLooking for dark purple hydrangea seeds? Start bigleaf hydrangea (Hydrangea macrophylla) from seed and enjoy the process of raising shrubs from the very beginning. Please note: flower color and depth of purple depend on soil pH and aluminum availability, and seed grown plants naturally vary from named cultivars. Expect 23 years to first blooms. Suitable for USDA Zones 69 (Zone 5 with winter protection). Why Choose Dark Purple Hydrangea from Seed?