Plants
used by the Larva of the Western Tiger Swallowtail Butterfly
The Western Tiger Swallowtail is often found
near riparian corridors as that is where all their larval plants
grow. These plants include Cottonwood,
Populus spp, Alder,
Alnus spp., Willows,
Salix spp., Birch,
Betula spp, and California
Sycamore, Platanus racemosa. These are all deciduous
riparian trees.
Like
many butterflies the Western Tiger swallowtail drinks from mud,
getting minerals as well as water.
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Plants used as nectar sources by the Adult
Western Tiger Swallowtail Butterfly
The Western Tiger Swallowtail gets nectar from
a wide variety of plants. They like Lobelia
dunnii serrata a sky blue Lobelia that grows in
most areas in part sun.
They
also like sages like Salvia
�Pozo Blue.� This is a sage with light green
foliage and and purplish blue flowers. It is very showy and very
drought tolerant.
Another
flower that is very popular with butterflies including the
western Tiger Swallowtail, is Woolly
Blue Curls, Trichostema lanatum. This is an
open shrub found in the chaparral. It has fuzzy purple flowers and
is also popular with Hummingbirds
and the California
Dog-face butterfly.
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