Prune immediately after flowering to keep it within bounds.

Does it need full sun?

It prefers a sunny spot but appreciates having its roots shaded.

Plant guide

Anemone clematis.

Clematis montana

Pronounced klem-AH-tis mon-TAH-nah

Also known as Himalayan Clematis

Himalayan clematis — Photo by Courtney Tregurtha-Nairn (CC BY) via iNaturalist

This vigorous climber is famous for its massive display of spring flowers. It quickly covers walls, fences, or pergolas with a blanket of blooms. It is a fantastic choice if you want to add height and drama to your garden.

At a glance

Care level: Moderate
Plant type: Deciduous climber
Light: Full sun to partial shade
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 30 feet
Growth rate: Fast
Hardiness: USDA 6 to 9
Bloom time: Late spring to early summer

Care

Plant this vine with its roots in the shade and its stems in the sun. Keep an eye out for wilt or leaf spots, which can signal fungal issues. Provide a sturdy trellis for it to climb as it grows quite large.

Watering: Keep the soil consistently moist but never waterlogged.
Feeding: Apply a balanced fertilizer during the active growing season.
Pruning: Prune lightly immediately after flowering to maintain shape.
Repotting: Repot only if the plant becomes rootbound in its container.
Soil: Well drained, fertile, moist soil
Soil pH: Neutral to slightly alkaline
Temperature: -15 to 30°C
Humidity: 40 to 70%
Drought tolerance: Moderate
Lifespan: Perennial, typically 10 to 20 years
Fragrance: Strong
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of drainage holes
Stunted growth despite regular feeding

Safety

People: All parts of the plant are toxic if eaten and the sap can cause skin irritation.
Pets: This plant is considered toxic to cats and dogs if ingested.
Children: Keep this plant away from children as the leaves and stems are toxic if chewed or swallowed.
Contact allergens: The sap contains protoanemonin which can cause skin rashes or blisters upon contact.
Airborne allergens: The pollen is generally not considered a significant airborne allergen.
Edibility: This plant is not for consumption and can cause severe mouth irritation if ingested.

How to identify it

Vigorous woody climbing vine
Trifoliate dark green leaves
Abundant four petaled spring flowers
Flowers often have vanilla scent

Height: 6 to 12m
Spread: 2 to 4m
Leaves: green, bronze, deciduous
Flowers: white, pink, 4 to 7cm
Fruit: brown, late summer

Problems to watch for

AphidsCommon
Clematis WiltCommon
Leaf SpotUncommon
Powdery MildewUncommon
Root RotUncommon
Slugs and SnailsUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: cuttings, layering
When to plant: spring, autumn
Overwintering: Apply a thick layer of mulch around the base to protect the roots from deep freezes. No special pruning is needed before winter.
In containers: It is too vigorous for most containers and performs best when planted directly in the ground.

Softwood cuttings

Take 10cm cuttings in late spring.
Remove lower leaves.
Dip in rooting hormone and place in moist soil.
Cover with a plastic bag to maintain humidity.

Plant a low shrub at the base to keep the roots cool and shaded.

Grows well with

Rose · They look beautiful when grown together on a trellis.
Lavender · Lavender shades the roots of the clematis while the clematis climbs above.

Similar species

Clematis armandii · Another vigorous climber but with evergreen foliage.

Science

Family: Ranunculaceae
Genus: Clematis
Order: Ranunculales
Class: Magnoliopsida
Native range: Himalayan mountains and central China.
Conservation: This species is not currently threatened in its native habitat.

It climbs using twining leaf stalks to reach sunlight in forest edges.

Value to wildlife: nectar source
Pollinators: bees, butterflies
Uses: wall cover, fence screen, pergola climber

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 7/9
Temperature: 5/9
Moisture: 5/9
Nutrients: 6/9

Taxonomy resolved against GBIF.

Questions people ask

How do I prune it?: Prune immediately after flowering to keep it within bounds.
Does it need full sun?: It prefers a sunny spot but appreciates having its roots shaded.

Where the name comes from

The name montana refers to its natural habitat in mountainous regions.

Good to know

It is one of the most vigorous clematis species available.
The flowers have a lovely vanilla scent.
It originates from the mountain forests of Asia.

Also in

Plants toxic to cats and dogs

Keep your anemone clematis growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.