The illustrated growing guide
Clematis
Clematis hybrids & species
Family Ranunculaceae
Est. zones 4-9

The queen of vines once you learn her three rules: cool feet, deep planting, know your pruning group. Beginners: buy Group 3 only and March pruning becomes 'cut everything, walk away'.

From the print shop
The closest print we make
We don’t print Clematis hybrids & species. The closest we have is Clematis vitalba (“Clematis Head”) in the Seed Heads & Pods collection — the same genus, Clematis, not the same species.
16 designsfrom $21.99white or black groundmatte poster, unframed
I
Overview
Will clematis suit your garden, and what goes wrong.
Will it fruit where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what clematis actually needs.
Clematis at a glance
Common clematis problems
- Earwigs in blooms
- CLEMATIS WILT (Group 2 curse — a stem collapses overnight; cut below soil, it usually regrows) — plant 3 in DEEPER than the pot to insure against it
II
Growing
Light, water, soil, propagation and the season’s jobs.
How to grow clematis: light, water & soil
When to spray clematis
Growing season. Deep planting + Group 3 choices sidestep the wilt drama entirely.
III
The year
What clematis asks for, month by month.
The clematis year, month by month
What each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
- Prune — shape it now — cuts heal cleanly and structure is visible.
The clematis year as text
- Jan quiet month
- Feb quiet month
- Mar pruning
- Apr pruning
- May bloom, pruning
- Jun bloom, pruning
- Jul bloom
- Aug bloom
- Sep bloom
- Oct quiet month
- Nov quiet month
- Dec quiet month
These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.
IV
Ecology & uses
What it does for the garden, and what it is grown for.
Clematis in the garden system
- Vine layer vine
What clematis is grown for
! Some parts toxic — see notesToxic to pets (mouth irritant)
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
V
Cultivars
Named varieties of clematis, ruled as a catalogue.
Best clematis varieties & cultivars
Group 3 workhorses: 'Jackmanii' (the purple classic), 'Polish Spirit', 'Ville de Lyon'; sweet autumn (fragrant SEPTEMBER blanket — check invasiveness locally)
VI
Sources & plant ID
Where the care distinctions come from, and how the plant is filed.
Research basis
Sources behind this profile
No extension citations are attached to clematisyet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
VII
Where to buy
Third-party nurseries — not Story Thyme Farms.
Third-party nurseries, not Story Thyme Farms. Prices are theirs.
Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.
VIII
Questions
Clematis questions, answered straight.
Is clematis safe for kids and pets?
With care. Toxic to pets (mouth irritant) Site it accordingly if children or pets roam the garden. This is general reference, not medical or veterinary advice — call a vet or poison control if something has actually been eaten.
IX
Elsewhere
Where clematis sits in the library.
Sweet Pea
Morning Glory
Wisteria
Coral Honeysuckle