Aloysia gratissima: Whitebrush
Anisacanthus quadrifidus var. wrightii:
Flame Acanthus
A caterpillar food plant for Elada and Arizona Checkerspot butterflies.
Aristolochia watsonii: Southwestern Pipevine
A caterpillar food plant for the Pipevine Swallowtail butterfly. This plant
does not supply nectar.
Asclepias linaria: Pineneedle Milkweed
A caterpillar food plant for Queen and Monarch butterflies.
Asclepias subulata: Desert Milkweed
A caterpillar food plant for Queen and Monarch butterflies.
Asclepias tuberosa: Butterfly Milkweed
A caterpillar food plant for Queen and Monarch butterflies.
Barkleyanthus salicifolius: Willow Ragwort
Caesalpinia pulcherrima: Red Bird of Paradise
Calliandra californica: Baja Fairy Duster
A caterpillar food plant for Blue butterflies.
Citrus species (all), such as
Citrus aurantium: Mandarin / Tangerine
are caterpillar food plants for the Giant Swallowtail butterfly. The caterpillar
resembles bird poop.
Conoclinium greggii: Gregg's Mistflower
A nectar source for Queen and Monarch male butterflies.
Funastrum cynanchoides:
Climbing Milkweed
A caterpillar food plant for Queen and Monarch butterflies.
Justicia spicigera: Mexican honeysuckle
A caterpillar food plant for the Texas Crescent butterfly.
Lantana camara: Lantana
Lantana montevidensis: Trailing Lantana
Monardella villosa: Coyote Mint
Ruta graveolens: Rue
A caterpillar food plant for the Black Swallowtail and Giant Swallowtail
butterflies.
Salvia coccinea: Scarlet Sage
Salvia elegans: Pineapple Sage
Salvia farinacea: Mealycup Sage
Salvia greggii: Autumn Sage
Senna hirsuta v. glaberrima: Woolly Senna
A caterpillar food plant for Sulphur butterflies. It does not supply nectar.
Thymophylla pentachaeta: Golden Dyssodia
A caterpillar food plant for the Dainty Sulphur butterfly.
Zinnia acerosa: Desert Zinnia