Blackmore & Langdon Delphinium elatum Moonbeam

Yes, staking is essential. Because these plants grow 5 to 6 feet tall and produce heavy flower spikes, they are highly susceptible to wind damage and can easily topple over without support.

These delphiniums thrive in rich, well-draining soil that has been amended with lime. They prefer a slightly alkaline environment, so testing your soil pH before planting is a smart step to ensure they reach their full potential.

No, the foliage of this variety is deer resistant. While no plant is entirely deer-proof, this is a reliable choice if you have frequent visitors in your garden.

Yes. If you cut the flower spikes back immediately after the initial bloom in early summer, you can often encourage a second, smaller display of flowers later in the season.

Space them 18 to 24 inches apart. This spacing provides enough room for proper air circulation, which is important for preventing fungal issues, while still allowing the plants to create a dense, cohesive border.

They are best suited for gardeners who are comfortable with a bit of maintenance. Because they require specific soil conditions, regular staking, and consistent care, they are a better fit for those who enjoy active garden management.