
Valley Tassels
Castilleja attenuata
Family: Orobanchaceae
Valley Tassels grows in full sun and prefers well-drained soil. Water needs: Low.
How to Grow Valley Tassels
Valley Tassels growing information includes sunlight requirements of Full sun, soil conditions listed as Well-drained soil with a soil pH of 6.0-8.0, and Low water needs. The listed hardiness zones are 6-10. For propagation reference, the database lists germination or establishment information for Valley Tassels as 7-21 days, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 90-140 days.
Plant Overview
Valley Tassels (Castilleja attenuata) is listed in the Orobanchaceae family and categorized as a flower with an annual life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.
- Plant ID
- PLT-4275
- Family
- Orobanchaceae
- Plant type
- Flower
- Life cycle
- Annual
- Difficulty
- Moderate
Growing Conditions
Valley Tassels is listed for full sun conditions. Water needs are listed as low. The database soil reference is Well-drained soil. The listed soil pH range is 6.0-8.0, and the listed hardiness range is 6-10.
- Hardiness zones
- 6-10
- Sunlight
- Full sun
- Soil
- Well-drained soil
- Soil pH
- 6.0-8.0
- Water needs
- Low
Seed & Germination
For seed starting, the listed germination time is 7-21 days and the seed depth is Surface sow. The listed time to maturity is 90-140 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 7-21 days
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 90-140 days
Find, buy, swap, or sell Valley Tassels
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.



