Howell's Thelypody

Thelypodium howellii

Native to:
United States
Howell's Thelypody

U.S. Fish & Wildlife Service - Pacific Region's (www.flickr.com)

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Thelypodium
Species:
Thelypodium howellii
USDA Symbol:
THHO

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul
Bloom Colors:
white, lavender

Garden & Ecology Notes

Wildlife Value:
pollinators
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, prefers open spaces

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds may benefit from cold stratification. Germinates best in cool conditions.

The above propagation data sourced from Claude AI