Illustration
Boulevard Ravel Clematis
Clematis 'Evipo122'
Also called ravel, ravel clematis and boulevard ravel
Also comes in blue and pink.
Boulevard Ravel Clematis blooms from June through September.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Boulevard Ravel Clematis
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 4.5 ft tall and 3.5 ft wide at maturity, in roughly 3 years (a house reading).
Is Boulevard Ravel 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 Boulevard Ravel Clematis
Plant Boulevard Ravel 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 Boulevard Ravel Clematis get?
4.5 fttall5 ft 7 inan adult3.5 ftwideSee Boulevard Ravel 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 Boulevard Ravel Clematis
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Boulevard Ravel Clematis about 3.5 ft apart, center to center, so each plant has room to reach its full width.
Add Boulevard Ravel 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
Boulevard Ravel Clematis' height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 7 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.
- Plant Addictsheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and pests
- whiteflowerfarm.comWhite Flower Farm (Litchfield, Connecticut)height, spread, hardiness zones, sun, water, bloom months and color, soil and diseases
- pridescorner.comPrides Corner Farms (Lebanon, Connecticut)height, spread, hardiness zones, sun, water, bloom months and color and trait tags
- gardencrossings.comGarden Crossings (Zeeland, Michigan)height, hardiness zones, sun, water, bloom months and color and trait tags
- NC State ExtensionPlant Toolboxsun, water, soil, diseases, pests and toxicity
- donahuesclematis.comDonahue's Clematis (Faribault, Minnesota)height, sun, bloom months and color and trait tags
- donahuesclematis.comDonahue's Clematis, 2025 Pruning Guideheight 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.