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Castilleja exserta ssp. exserta Owl's clover

Previous scientific name(s): Orthocarpus exsertus, Orthocarpus purpurascens, Orthocarpus purpurascens var. pallidus, Orthocarpus purpurascens var.

Formerly known as Orthocarpus purpurascens. Low to moderate water requirement; full sunlight. Annual with purple bracts producing bright color from March to May. Occurs in large masses along hillsides and in pastures. Adapts to many soil types. In favorable years it will carpet the desert with an eye-catching, colorful display.

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Species Attributes

Height:

4 - 12 in.

Life Form:

Annual

Native or Introduced:

Native

Season:

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon

Elevation:

ft.

Precipitation:

Low - Moderate

Soil Texture
Coarse:

Marginal

Moderately Coarse:

Average

Medium:

Best

Moderately Fine:

Average

Fine:

Not Adapted

Soil pH
Acidic:

Not Adapted

Neutral:

Best

Basic:

Average

Seeding Rate:

1 PLS lbs/Acre

Pure Seed per Bushel:

20.10 lbs.

Seeds per Pound:

11,000,000

Germination Time:

Days

Blooming Season:

Spring

Mycorrhizal Dependent:

Yes

Bloom Color:

Purple

lands

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