Plant Library
Delphinium Guardian Blue
Common Name: Delphinium
Botanical Name: Delphinium
Variety: Guardian Blue
Blossom Color: Blue
Bloom Time: Jun, Sep
Zone: 3 to 9
Exposure: Sun/Pt Shade
Mature Height: 30-40"
Mature Width: 18-24"
Notes: One of the earliest flowering delphiniums. ‘Guardian Blue’ forms tall spires of rich cobalt blue double flowers with a small white bee. 3-4 ft high by 18-23 in wide. Summer and Fall bloom. Cut. Butterflies. Hummingbirds. Zone 3-9.