What is the bluest delphinium?

There are many Dowdeswell hybrids available, but my all-time favorite is Delphinium elatum ‘Cobalt Dreams’. This is the bluest of any flower I’ve ever grown, featuring gigantic flower stalks crammed with extra-large flowers.

What is the best blue delphinium?

The New Millennium Delphinium Series is one of the best choices for finding top-notch blue delphinium plants. These plants are mainly Delphinium Elatum delphiniums (English Delphinium Hybrids) that are known for their tall, strong stems.

Does blue delphinium spread?

Height/Spread: The tallest varieties are found within the Delphinium elatum group, with stalks regularly 5 to 6 feet tall (with some reaching 8 feet) and a spread of 2 feet. The D. belladonna group averages 3 to 4 feet tall with a spread of 2 feet. Dwarf varieties, like D.

How big do blue delphiniums get?

Choose the right spot.

SKU AM015062
Flower Color Blue
Flower Size 6-12″ flower plumes
Mature Height 30-40″ tall
Estimated Mature Spread 18-24″ wide

How do you keep delphiniums blue?

Caring for Delphinium

  1. Delphiniums require regular watering, specifically during the dry summer months.
  2. Apply a balanced liquid fertilizer every 2-3 weeks.
  3. Apply a thin layer of compost in the spring as well as a 2 in.
  4. Stake tall varieties, no later than mid-spring or when the plants reach 12 in.
  5. Thin shoots when 3 in.

Is blue delphinium perennial?

Plants are compact and bushy, only 12-18” in bloom. Our Delphinium are bred for their looks and durability. No staking is necessary….Details.

Type: Perennials
Bloom Time: Early Summer to Late Summer
Sun-Shade: Full Sun to Mostly Sunny
Zones: 3-8 Find Your Zone
Soil Condition: Normal

What is the hardiest delphinium?

The New Millennium series of Delphinium elatum are the best of the elatum hybrids. They are overall the hardiest Delphiniums with the strongest stems, which are tightly packed with blooms, each heavily petaled. Staking may not be necessary unless you plant in a windy site.

How many years do delphiniums last?

2-3 years
Unfortunately, delphiniums have an average lifespan of 2-3 years at most.

Where is the best place to plant delphiniums?

full sun
For best results grow delphiniums in moist but well-drained soil in full sun. Delphiniums are tall plants, so do best at the back of a sunny border. Avoid windy spots, as wind can blow the plants over.

What are the best delphiniums?

19 of the Best Delphinium Cultivars

  • Atlantis.
  • Aurora Lavender.
  • Black-Eyed Angels.
  • Black Knight.
  • Blue Elf.
  • Blue Lace.
  • Cherry Blossom.
  • Cobalt Dreams.

What is the best delphinium?

19 of the Best Delphinium Cultivars

  • Guinevere.
  • Improved Sky Blue.
  • Morning Lights.
  • Princess Caroline.
  • Rose White Bee.
  • Summer Skies.
  • Sweethearts.
  • Sweet Sensation.

By