Shop With Confidence: FREE Growing & Glowing Promise

Free Shipping on Orders $199+

Guardian Mix Delphinium

Delphinium elatum ‘Guardian Mix’

  • Semi-Double to Fully Double Florets in Vivid Blue, Lavender, and Purple Shades
  • Cold Hardy: Thrives in Zones 3-7
  • Grows 3-5 ft Tall, 2-3 ft Wide
  • Showy Blue, Purple, White Blooms From Early Summer to Late Summer
  • Deer Resistant, Drought Tolerant, Rabbit Resistant
Regular price $3463
Shipping calculated at checkout.
Out of stock
Plant not supported in Growing Zone.

Unfortunately, this item cannot be shipped to your state.

Shipping to your area may be delayed due to weather conditions.

Enter your ZIP code to check shipping availability.

Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Flowering, Attracts pollinators, Deer-resistant
Hardiness Zone 3a to 9b
Sunlight Full sun, Partial shade
Height 3-5 ft
Width 2-3 ft
Watering Needs Moderate
Preferred Soil Peaty
Growth Rate Moderate
Growth Habit Upright
Plant Life Cycle Annual, Perennial
Blooms In Summer
Flower Color Blue, Purple, White
Foliage Color Green
Pet Safety Toxic to pets
Suitable Space Outdoors
Botanical Name Delphinium elatum ‘Guardian Mix’
Species elatum
Cultivar Guardian Mix
Class Ranunculales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

What is the mature height and width of Guardian Mix Delphinium?

  • Guardian Mix Delphinium reaches 3-4 feet tall and 1-1.5 feet wide at maturity. This upright perennial produces multiple sturdy stalks from the base with a tidy, columnar growth habit. Plant it toward the back of borders where its vertical structure won't overshadow shorter plants.

Is Guardian Mix Delphinium perennial or annual, and will it come back each year?

  • Guardian Mix Delphinium is a cold-hardy perennial that returns each year, growing 3-4 feet tall with early summer blooms. This hybrid strain offers excellent heat tolerance and will rebloom into late summer when deadheaded properly. Shop at Nature Hills for reliable perennial performance.

What are the soil requirements for planting Guardian Mix Delphinium?

  • Guardian Mix Delphinium thrives in well-draining, fertile soil with a pH between 6.0-7.5. These sturdy 3-4 foot perennials prefer rich, organic matter and consistent moisture without waterlogged conditions. Add compost before planting and ensure good drainage to prevent crown rot.

How much sun exposure does Guardian Mix Delphinium need?

  • Guardian Mix Delphinium thrives in full sun to partial shade, needing at least 6 hours of direct sunlight daily for best flowering. In hotter climates, afternoon shade helps prevent stress. Plant in a location with morning sun and good air circulation for optimal growth.

How often should I water Guardian Mix Delphinium, and does it tolerate drought?

  • Guardian Mix Delphinium needs consistent moisture and does not tolerate drought well. Water deeply when the top inch of soil feels dry, typically 1-2 times per week during growing season. Maintain steady soil moisture for best blooming performance, especially during the 3-4 foot growth phase. Find this reliable perennial at naturehills.com.

How do I care for Guardian Mix Delphinium in winter to ensure hardiness?

  • Guardian Mix Delphinium is bred for excellent cold-hardiness and requires minimal winter care in most zones. Cut stems back to 2-3 inches after the first hard frost, leaving the crown intact. Apply a 2-3 inch layer of mulch around the base to protect roots from freeze-thaw cycles.