Tiger Swallowtail ~~ Take a look at a Tiger Swallowtail butterfly and you'll see how this black-striped insect got its name. Tiger Swallowtails can reach more than 5 inches across, filling the garden with bold yellow color. Attract their caterpillars with trees such as willow, ash, birch, or cottonwood. The butterflies drink nectar from coneflower and Mexican sunflower.
Arboretum All-Stars The horticultural staff of the UC Davis Arboretum have identified 100 tough, reliable plants that have been tested in the Arboretum, are easy to grow, don’t need a lot of water, have few problems with pests or diseases, and have outstanding qualities in the garden. Many of them are California native plants and support native birds and insects. Most All-Star plants can be successfully planted and grown throughout California.