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- Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
- Mature Height 30 - 40 Inches
- Mature Spread 24 - 36 Inches
- Growing Zones 2 - 8
- Use As A Thriller In Containers
White Guardian Larkspur, also known as Delphinium 'Guardian White', is a sturdy, stately plant that bursts into a profusion of white blooms ahead of other varieties. These delicate-looking beauties have a high tolerance for tough garden conditions and will stay upright due to sturdy flowering stems.
White Guardian Larkspur blooms in late May through early July, depending on your growing zone. White Guardian reaches up to 40 inches tall with a 2-3 ft spread. The foliage is dark green and lance-shaped, setting off the pure white, double flowers. The blooms form on tall, sturdy stems and are sure to draw your attention upward. It is a fabulous choice for adding height and texture to the garden. White Guardian Larkspur makes an excellent cut flower in arrangements, is deer resistant and drought tolerant, and attracts bees and other beneficial pollinators.
White Guardian Larkspur Care
Provide at least 6 hours of direct sunlight daily; full sun is important for blooming and balanced growth, although White Guardian will handle some shade. Keep these tall perennials protected from harsh winds in open areas; they may need staking for protection against a strong rainstorm or wind. Maintain slightly moist, but not soggy soil; Larkspur will not tolerate periods of drought. The soil should be well draining, enriched with plenty of organic compost or composted manure, with a neutral to slightly alkaline pH. Fertilize once a month using a balanced, water-soluble fertilizer.
You can remove the spent flower spike to keep your plant looking its best throughout the growing season. In fall, cut back all faded flowers and foliage to nearly the base of the plant, leaving a few inches of basal foliage to protect the roots during the winter.
White Guardian Larkspur Spacing
Lovely used in a border, massed in groups, or as a specimen, White Guardian will need ample space surrounding each plant. Space plants approximately 3 feet apart to accommodate the mature width.
White Guardian Larkspur Information
| USDA Hardiness Zones: 2 - 8 |
| Plant Type: Perennial |
| Light Exposure: Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight) |
| Mature Height: 30 - 40 Inches |
| Mature Spread: 24 - 36 Inches |
| Spacing: 30 - 36 Inches |
| Habit: Upright |
| Flower Color(s): White |
| Flower Description: |
| Bloom Period: Late May Into Early June |
| Foliage Type: Herbaceous |
| Foliage Color(s): Green |
| Foliage Description: |
| Seasonal Interest: Spring Flowering |
| Watering: Average |
| Resists: Deer, Rabbit |
| Tolerates: N/A |
| Attracts: Butterflies, Hummingbirds |
| Container Role: Thriller |
| Uses: Borders, Containers, Mass Planting, Specimen or Focal Point |
| Features: Attracts Pollinators, Cut Flowers |
| Brand: |
| Common Name: White Guardian Larkspur |
| Other Name(s): White Guardian Larkspur |
| Scientific Name: Delphinium 'Guardian White' |
- SKU:
- 1231003998-pc
Container Sizes
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on; type of plant, time of year, last pruning & many other factors.
4.5" Pot
Also Know As:
4.5" Container
Plant Age:
~ 6 months
Plant Size:
~ 3"-6"
Pot Size:
~ 4.5"H x 3.75"W
Volume:
1.42 quarts
Quart Pot
Also Know As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
2.5 Quart
Also Know As:
2.5 Quart Pot
Plant Age:
~ 1.5 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
#1 Pot
Also Know As:
#1 Container
1 Gallon
Plant Age:
~ 1.5 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
#2 Pot
Also Know As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
#3 Pot
Also Know As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
For more detailed information, please click here.
Plant Addict Guarantee (Included On All Plant Orders)
Plant Addicts Warranty - 1 Year (Extra Purchase Required)
Guide: How to Care for Your New Plant(s)
Planter Shipping
Standard Colors: 2-3 business days
Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice
Please Note: On special orders there can not be any cancellations
Plant Shipping
Time of Order:
Summer Shipping
- If there is extreme heat we’ll delay shipping.
- We’ll have to review what areas the plants are traveling through along with your location
Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.
It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.