Ca Native Milkweed. Milkweeds are a necessary plant to. Drought tolerant this california native plant grows in some high desert areas and into baja california.
Since the non native mexican milkweed is perennial and does not die back like most of our native milkweeds it builds up high concentrations of the protozoan. Native milkweed in california. It is very drought tolerant even occruing in some high desert areas.
It is native to california and northern baja california from the east bay region southward and the foothills of the sierras.
Asclepias californica is a species in the apocynaceae dogbane family known by the common name california milkweed. Whether to grow milkweed from seed l transplants or rhizomes may depend on the species and the location. So for this reason native milkweeds have lower concentrations of the deadly protozoan and are less likely to kill monarch caterpillars. It is found mostly in southern california.