Illustration
Kitty Clematis
Clematis 'Evipo097'
Also called kitty, kitty clematis, boulevard kitty and boulevard kitty clematis
Kitty Clematis blooms from June through August.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Kitty Clematis
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 3 ft tall and 3 ft wide at maturity, in roughly 3 years (a house reading).
Is Kitty 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 Kitty Clematis
Plant Kitty 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 August.
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 Kitty Clematis get?
3 fttall5 ft 7 inan adult3 ftwideSee Kitty 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 Kitty Clematis
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Kitty Clematis about 3 ft apart, center to center, so each plant has room to reach its full width.
Add Kitty 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
Kitty Clematis' height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 11 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, soil and pests
- raymondevisonclematis.comRaymond Evison Clematis (Guernsey Clematis Nursery, the breeder)height, hardiness zones, sun, bloom months and color and trait tags
- NC State Extensiongenus pagesun, water, trait tags, soil and toxicity
- RHS2018height, hardiness zones, bloom months and color and trait tags
- springhillnursery.comSpring Hill Nurseriesheight, spread, bloom months and color and trait tags
- US plant patent (Google Patents)Google Patents; inventors Olesen and Evisonheight, hardiness zones, bloom months and color and diseases
- internationalclematissociety.orgInternational Clematis Society, Clematis of the Month May 2017 (Debora...height, bloom months and color and trait tags
- jcra.ncsu.eduNC State University, JC Raulston Arboretum, 2025 Annual Plant Distribu...height, hardiness zones, sun and trait tags
- donahuesclematis.comDonahue's Clematis (Faribault, Minnesota), 2025 Pruning Guideheight and bloom months and color
- RHSRoyal Horticultural Society, Kitty trade-name profile 349474height and spread
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.