Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Boraginaceae

Genus:

Phacelia

Species:

Phacelia robusta

Growth Characteristics

Life Cycle:

Annual | Biennial

Growth Habit:

Forb/herb

Height:

1-2 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

mar, apr, may, jun, jul, aug

Bloom Colors:

blue, purple

Native Range

United States: Kansas, Oklahoma, Texas

Keystone Species Ranking

Bee Keystone:

★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

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, sunny areas