Blue Milkweed Vine (Tweedia Caerulea) - Butterfly Host Plant
Tweedia Blue Milkweed
Tweedia Caerulea; Oxypetalum caeruleum
Also known as: Blue Milkweed, Star of the Argentine, Southern Star
Plant Type: Perennial
Zones: Perennial in zones 8-10, annual in cooler zones
Height: 1-2 ft.
Plant Spacing: 15-18 in.
Light Requirements: Full sun to part shade
Water Requirements: Can tolerate drought once established
Host Plant For: Monarch, Queen, and Soldier butterflies
Starter Plants are not large enough to feed larvae.
Two 4" potted plants will feed 1 larvae.
Tweedia Blue Milkweed is a host plant for Monarch, Queen, and Soldier butterflies. Look for pale yellow eggs and striped caterpillars on leaves and flowers.