Illustration
Vicki Clematis
Clematis 'Evipo114'
Also called vicki, boulevard vicki, vicki clematis and boulevard vicki clematis
Also comes in purple.
Vicki Clematis blooms from June through September.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Vicki Clematis
Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 3.5 ft tall and 2 ft wide at maturity, in roughly 3 years (a house reading).
Is Vicki Clematis toxic to dogs or cats?
- Listed as toxic to dogs and cats by NC State Extension.
- Listed as poisonous to people by NC State Extension.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
What was checked
Mature height and spread, hardiness zones, sun, water, bloom months and color and the trait tags were checked against named botanical sources for this plant, with what the sources could not settle written down; years to mature size rests on a recorded house rule where no publisher states one, and is marked so; its common name and alternate names have not been checked yet. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Vicki Clematis
Plant Vicki Clematis in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 4 to 9, spring means March to May and fall means August or September. Once settled, it blooms from June to September.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Vicki Clematis get?
3.5 fttall5 ft 7 inan adult2 ftwideSee Vicki Clematis in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Vicki Clematis
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Vicki Clematis about 2 ft apart, center to center, so each plant has room to reach its full width.
Add Vicki Clematis to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Vicki Clematis' height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 12 published sources on October 12, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- RHSRoyal Horticultural Societyheight, spread, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity
- Plant Addictsheight, spread, hardiness zones, sun, water, bloom months and color, trait tags and soil
- gardencrossings.comGarden Crossings (Zeeland, Michigan)height, spread, hardiness zones, water, bloom months and color, trait tags and pests
- romencegardens.comRomence Gardens & Greenhouses (Grand Rapids, Michigan)height, spread, hardiness zones, sun, water, bloom months and color and trait tags
- wilsonbrosgardens.comWilson Bros Gardensheight, spread, hardiness zones, sun, water, bloom months and color and soil
- US plant patent (Google Patents)Google Patents; Olesen and Evison, the breederheight, spread, hardiness zones, bloom months and color, trait tags and diseases
- raymondevisonclematis.comRaymond Evison Clematis (Guernsey Clematis Nursery, the breeder)height, hardiness zones, sun, bloom months and color and trait tags
- springhillnursery.comSpring Hill Nurseriesheight, spread, hardiness zones and bloom months and color
- willowaynurseries.comWilloway Nurseries (Ohio wholesale grower)height, hardiness zones, sun and bloom months and color
- donahuesclematis.comDonahue's Clematis (Faribault, Minnesota), 2025 Pruning Guideheight and bloom months and color
- NC State ExtensionPlant Toolboxsun, diseases and toxicity
- RHS2022height and bloom months and color
How the checking works, and what each standard covers, is on the verified plants page.
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.