Illustration
Bijou Clematis
Clematis 'Evipo030'
Also called bijou
Bijou Clematis blooms from June through September.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Bijou Clematis
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 20 in tall and 24 in wide at maturity, in roughly 3 years (a house reading).
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 Bijou Clematis
Plant Bijou 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 Bijou Clematis get?
20 intall5 ft 7 inan adult24 inwideSee Bijou 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 Bijou Clematis
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Bijou Clematis about 24 in apart, center to center, so each plant has room to reach its full width.
Add Bijou 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
Bijou Clematis' height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 10 published sources on September 26, 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.
- Missouri Botanical GardenPlant Finderheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Plant Addictsheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and pests
- RHSRoyal Horticultural Societyheight, spread, sun, water, bloom months and color, soil, diseases, pests and toxicity
- Perennials.com (Heritage Perennials)Valleybrook International Ventures Inc.height, hardiness zones, sun, water, bloom months and color, trait tags and diseases
- Plant Delights Nurseryheight, spread, hardiness zones, sun, bloom months and color and trait tags
- US plant patent (Google Patents)Google Patents; the breeder's registration, inventors Raymond J. Eviso...height, spread, hardiness zones, bloom months and color and diseases
- raymondevisonclematis.comRaymond Evison Clematis (the breeder, Guernsey Clematis Nursery)height, hardiness zones, sun and bloom months and color
- clematisinternational.comInternational Clematis Society (Clematis of the Month, May 2024)hardiness zones, sun and bloom months and color
- donahuesclematis.comDonahue's Clematis (Faribault, Minnesota)height and bloom months and color
- ASPCAAnimal Poison Control Centertoxicity
How the checking works, and what each standard covers, is on the verified plants page.
Good to know about Bijou Clematis
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.
Safety
In the buttercup family; the sap's protoanemonin irritates and can blister skin, and it sickens dogs, cats and horses. NC State rates its poison severity high. per NC State and ASPCA
Explore similar plants
You might also like
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.