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All media depicts mature plants.

'Diamonds Blue' Delphinium

PERENNIAL

Description

  • Psychedelic blooms are irresistible to butterflies and hummingbirds!
  • Outstanding as a cut flower.
  • Ultra-hardy to harsh winters.
  • Low maintenance, no staking required.
  • Zones 3-9, sun, 23″ tall x 18″ wide at maturity.
Zone 3-9
Light sun
short

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Hand-picked at our greenhouse

Shipped to your door

Arrives as young plant

background image

More Information

Description ‘Diamonds Blue’ Delphinium (Delphinium grandiflorum) puts a twist on the classic English delphinium with shorter stalks and psychedelic flowers.  Elegant spires of electric blue blooms with splashes of purple steal the spotlight in the garden! The vibrant blooms are a beacon for pollinators, who will flock to your garden when flowering begins in summer. The spires are a must-have cut flower to keep your vases full! Plus, cutting the flowers will encourage wonderful repeat blooms later in the season. Other delphiniums have proven troublesome and challenging to grow. This new hybrid is adaptable and easier to grow. Don't fret over harsh winters because this perennial is resilient and hardy to cold climates. The shorter stalks reach only 18-23" tall and require no staking on your part! It's the perfect size and habit for use as a border, in masses, or containers. Details Botanical name: Delphinium grandiflorum 'Diamonds Blue''Diamond Ball' Clematis Common name: Delphinium, Larkspur'Diamond Ball' Clematis Zone: 3 - 9'Diamond Ball' Clematis Sun exposure: Sun (> 6 hours sun)'Diamond Ball' Clematis Height x width: 23" X 18"'Diamond Ball' Clematis Flower color: Blue and purple'Diamond Ball' Clematis Foliage color: Green'Diamond Ball' Clematis Season of interest: Summer-fall'Diamond Ball' Clematis Bloom time:Summer, fall Features:Low flammability, cold tolerant
Uses: Accent, Border, Container plantings, Cottage gardening, Foundation planting, Massing, Naturalizing, Specimen
How To Grow Soil: Well-draining, consistently moist soil.'Diamond Ball' Clematis Light: Full sun (> 6 hours sun).'Diamond Ball' Clematis Water: Best to keep moist - do not dry out.'Diamond Ball' Clematis Spacing: 1.5 - 2 feet.'Diamond Ball' Clematis Fertilizing: Delphiniums are heavy feeders. Use Osomocote before new growth begins in spring.'Diamond Ball' Clematis Winterizing: Mulch roots in cold regions for protection'Diamond Ball' Clematis Maintenance & pruning: Deadhead after the first flush is finished for repeat blooms later in the season.

Customer Reviews

Based on 7 reviews
71%
(5)
0%
(0)
0%
(0)
0%
(0)
29%
(2)
C
C.P. (Wisconsin)
Diamond Blue Delphinium

The plants arrived healthy. when planted 4 out of 5 survived. They did bloom and are very striking in my garden.

J
J.S.
So small

Super small for the price

Hello! Thank you for leaving a review. As mentioned on our website, we do ship young plants. The important thing when it comes to purchasing plants, whether online or in a garden center, is that they have a full, robust root system, and that's what we prioritize in our growing. The more roots a plant has, the more energy it can put into growing once it is planted in your garden. Happy Gardening!

D
D.T. (New Jersey)
Weak Plants

Pretty when first planted but very fragile, couldn’t even hold up to light watering with a hose. I jerry rigged some small stakes to support them and two out of four fowered, the others just kind of wilted and faded away. Praying that maybe next year they’ll come back hardier, I had such hope for these prett litlle plants and really wanted some delphis in my garden.

Hello! Thank you for leaving us feedback. It's hard to say for certain what could be happening with the new plants in your garden. When transplanting young plants from a nursery pot to a garden, the plant allocates more energy to root development instead of shoot development (above ground). It's important for them to develop a robust root system so they can actually absorb the nutrients and water in the soil around them. Then after their root system is more developed they'll invest in their shoots and flower development. We do have a 60-day guarantee on all of our plants. Our customer service team would be happy to further assist. Please email pictures of the plant to claims@greatgardenplants.com, making sure to put your order number and name in the subject line so that we may provide the best assistance possible. Happy Gardening!
https://www.greatgardenplants.com/pages/our-guarantee

P
P.G. (Pennsylvania)
Great plant

This plant was ready to go from the day it arrived. The plants condition on arrival was great. The flower is blooming and it looks amazing I think the value I received for this plant is tremendous great plant

R
R. (Texas)
Pretty Blue Flowers

Delicate but hardy plant. Just the right touch for my garden