Guernsey Flute™ Clematis (Clematis ‘EviGsy153’) illuminates the garden with large, pure white, star-shaped flowers graced by subtle red anthers. Blooming from late spring well into early autumn, it delights with a unique champagne flute-like bud stage that gradually unfolds into a broad, showy blossom. Reaching a petite 3–4 feet tall, this vine is a perfect choice for small gardens, containers, or the front of a mixed border. Its prolonged blooming period and easygoing nature make it a standout among white Clematis varieties.
The elegant blooms retain their crisp color even in partial shade, where the plant happily thrives. Bred by the renowned Raymond Evison, Guernsey Flute™ combines compact form with reliable flowering, allowing it to shine on a simple tuteur or trellis. This Clematis is also known for its deer resistance, reducing the stress of damage in wildlife-prone areas. Enjoy it as a companion for colorful annuals in patio planters or as a welcoming accent near entryways.
Guernsey Flute™ Clematis Care
Plant in moist, well-draining soil, positioning the crown 2–4 inches below ground level to protect dormant buds. A neutral to slightly alkaline pH often works best, and consistent watering encourages the deep roots to establish. Provide at least four hours of daily sun, but offer some afternoon shade in warmer regions. Feeding with a balanced, low-nitrogen fertilizer in spring helps maintain steady growth and generous flowering.
Light pruning in early spring (Pruning Group 2) shapes the vine and removes weak or damaged stems. Deadhead spent blooms to stimulate additional bud formation. Container-grown Clematis may need extra watering during hot spells, and a layer of mulch or companion plants keeps roots cool. In climates with freezing winters, consider adding a protective mulch layer around the base.
Guernsey Flute™ Clematis Spacing
Allow roughly 2 to 3 feet between plants when creating a screen or grouping, ensuring good airflow and room for each vine. For single-specimen accents, give the vine enough open space to spread naturally on its support. In containers, opt for a pot at least 12 to 14 inches in diameter to accommodate the root system and the vine’s upward growth.
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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 Known 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 Known 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 Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 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 Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
#2 Pot
Also Known 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 Known 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 Addicts Guarantee (Included On All Plant Orders)
Plant Addicts always guarantees your plant(s) will arrive happy & healthy. However, plant(s) are being shipped through the mail & sometimes 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 more information on how to care for your new plants, please click on our guide below.
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 a new gardener or an expert. There are many variables outside of anyone's control that can cause a plant to die. Hungry animals, drought, poor soil conditions, over watering, diseases & pests are all good examples of what can cause plants to die. The Plant Addicts Warranty is a 1 year warranty protecting you from all of the unknowns and will replace your plant if something were to happen to it.
The warranty is purchased on a per plant basis and must be purchased at the same time as the plant(s). We will cover 100% of the price of the plant, but the warranty does not cover shipping costs. SImply let us know if your plant has died within 1 year of receiving it and we will get you a new one shipped out as soon as possible (depending on the time of the year and availability). We may ask for photos for documentation purposes, but we try to make the process as easy as possible.
For more information, please click on our page below.
Plant Shipping
Below are some factors we consider when determining when to ship the plants depending on the timing of the order.
Winter to Early Spring
We ship only when it's warm enough to plant in your growing zone.
Sometimes plants aren't completely ready to sell and ship in early spring. We will wait until the plants are ready before shipping so you don't get a subpar product.
For Southern plants we will be able to ship much earlier than plants coming from our northern nursery.
Summer
If there is extreme heat we may delay shipping for a week or several weeks.
We review what areas the plants are traveling through as well as your location.
Fall into Winter
We’ll ship plants out all the way up to the end of the fall planting season!
Winter
Get your order in early to reserve your plants for Spring planting!
Once your plant is shipped you’ll receive an automated email with tracking information.
Click here for more detailed shipping information.
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