Castilleja exserta      
Owl's clover    
Scrophulariaceae Family     


Compiled by the Master Gardeners
of the University of Arizona Pima County Cooperative Extension.

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Form: low, shrubby wildflower
Seasonality: annual
Size: 9in high with 1 ft spread
Leaves: feather or ferny, basal leaves
Flowers: pink to purple tufted spikes; bloom March to May
purple flowers
blooms on castilleja exserta
Fruit: n/a
Stems/Trunks: n/a
Range/Origin: mid-elevation grasslands of Southwest US and northern Mexico
Hardiness: 10-15 °F

LANDSCAPE VALUE:


 

Castilleja exserta
Owl's clover in a mixed wildflower bed
CULTURAL REQUIREMENTS:


 

Research by Master Gardener Devona Painter


NOTES:

Can sow as late as November or December in irrigated garden.
Grow best in association with its community of spring wildflowers, including baby blue-eyes, California gold poppy, Lupines, orange globe mallow, desert bluebells, and sideoats grama.

Formerly known as Orthocarpus purpurascens


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This page was first created May 31, 2004 and last modified June 1, 2006.




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