Plant Encyclopedia

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Tall blue flower spikes of larkspur in a sunny borderPerennials

Delphinium elatum

Larkspur

Larkspur is an imposing border plant whose tall spikes of blue to purple flowers become the focal point of any garden. It blooms in June and July and can reach up to 180 cm. The plant is toxic if ingested, but indispensable for those seeking dramatic vertical accents.

Full sunMedium100–180 cm