Summer Nights Larkspur

Summer Nights Larkspur

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Attract Pollinators

Comes Back Every Year

Container Friendly

Easy Care

Full Sun

Partial Sun


Delphinium grandiflorum 'Summer Nights' is a beautiful plant that adds a touch of elegance to any garden. Its deep purple flowers are perfect for adding a pop of colour to your landscape and are sure to catch the eye of passersby. This low-maintenance plant is easy to care for and thrives in a variety of soil conditions. It's also resistant to pests and diseases, making it a reliable choice for any gardener. Whether you're looking to add a touch of sophistication to your garden or simply want to brighten up your outdoor space, Delphinium grandiflorum 'Summer Nights' is an excellent choice.
Summer Nights Larkspur

Summer Nights Larkspur

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Latin Name

Delphinium grandiflorum 'Summer Nights'

Common Name

Summer Nights Larkspur

Current Size

6-12 Inches

Hardiness Zone


Bloom Time


Mature Width

12 Inches

Mature Height

12 Inches

Flower Colour

Dark Blue

Growth Rate



Partial-Full Sun (4+ hours)


After Bloom


1-2 times per week


  • Attractive to pollinators: The large, showy flowers of 'Summer Nights' are attractive to a variety of pollinators, including bees, butterflies, and hummingbirds.
  • Low maintenance: This plant is relatively low maintenance, making it a good choice for gardeners who want a beautiful, easy-to-grow plant.

Care Guide

  • Water Needs: Keep the soil consistently moist, but not waterlogged.Avoid letting the soil dry out completely between waterings.
  • Maintenance Needs: Deadhead spent blooms regularly to encourage reblooming and keep the plant looking tidy.
  • End of Season Pruning: Cut back the plant in late fall to 1-3 inches above ground level when the plant turns yellow/brown.
  • Fertilizer: Apply a balanced fertilizer every 4-6 weeks during the growing season.

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