Sulfur Paintbrush Seeds – Castilleja sulphurea – 100mg Native Wildflower with Cream-Yellow Bracts for Alpine Meadows

Overview

Grow Sulfur Paintbrush (Castilleja sulphurea) from 100mg of seeds, a native perennial wildflower known for its creamy yellow to pale sulfur bracts and green foliage. This upright wildflower thrives in alpine and western meadow habitats, making it an excellent addition to native gardens and pollinator-friendly landscapes.

Key Features

• Cream to yellow bracts providing a soft, unique color variation of the classic paintbrush flower
• Supports pollinators such as bees, butterflies, and hummingbirds
• Semi-parasitic growth habit, benefiting from association with native grasses or perennials
• Requires well-drained, rocky or loamy soils and tolerates full sun to part shade
• Drought-tolerant once established with moderate to low watering needs
• Suitable for USDA zones 4 through 8
• Seeds require cold stratification and are best planted in fall or early spring
• Full flowering typically occurs after 2 to 3 years

Growing Information

Sulfur Paintbrush seeds perform best when planted in well-drained soil with access to full sun or partial shade. Due to its semi-parasitic nature, it grows optimally alongside compatible native grasses or perennials. Cold stratification is recommended before planting to improve germination rates. Patience is necessary as the plant takes 2 to 3 years to reach full flowering maturity. Once established, it is moderately drought tolerant and requires minimal watering.