Larkspur Plant. Larkspur portland is open for business! A true annual, larkspur is easy to start from seed and will happily reseed itself in the garden year after year.
Unlike their delphinium cousins, larkspur are hardy plants that don’t need heavy staking from the beginning. Loved by hummingbirds and butterflies! Larkspur has masqueraded under several names, including delphinium ajacis and d.