This product does not ship to: Idaho

White Guardian Larkspur

$49.99
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Spring 2024 Pre-Order - Learn More
$49.99
This product does not ship to: Idaho
  • 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

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

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

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

#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

#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

#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 guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

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.