Species

Clematis viticellaItalian Clematis

55 other cultivars

vine

Copernicus Clematis

Clematis viticella 'Copernicus'

Same species

Species

Clematis viticellaItalian Clematis

55 other cultivars

Essentials

At a Glance

Plant Type

Vine

Height

84 inches

Width

36 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Toxic if ingested

The Story

Plant Bio

Clematis viticella 'Copernicus' is a vigorous climbing plant known for its lush, purple flowers that bloom abundantly throughout the summer. This cultivar produces large, star-shaped, deep purple flowers with contrasting yellow anthers, making it distinctive among other clematis varieties.

Bloom Period:

EarlyLate

Uses & Benefits:

Vivid violet flowers add color and elegance to garden structures.

Climbing habit provides privacy and shade.

Supports pollinators like bees and butterflies.

Planting

How to Grow

Tuck young vines into a trellis or fence for support within the first year.
Mist cuttings regularly to maintain humidity and encourage rooting.
Water deeply once a week during dry spells, especially in summer.
Apply a balanced fertilizer in early spring to promote vigorous growth.
Prune after flowering to shape the vine and remove dead or weak stems.
Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Plant in a sunny spot with well-drained soil for best flowering performance.

Keep It Thriving

Care Guide

Do

Provide support such as a trellis or arbor 🌿
Water consistently during dry periods 💧
Prune annually after flowering to maintain shape ✂️
Feed with a balanced fertilizer in spring 🌱

Don't

Avoid overwatering, which can cause root rot ❌
Don’t neglect pruning, as it encourages more blooms ❌
Refrain from planting in overly shaded areas ❌
Don’t forget to support the vines to prevent damage ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Climbing vine on trellises and fencesDecorative covering for arbors and pergolasWildlife-friendly garden feature with fragrant blooms

Companion Plants

Lavender Roses Hostas Daylilies Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Copernicus Clematis questions

What zones can Copernicus Clematis grow in?

Copernicus Clematis is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Copernicus Clematis deer resistant?

Yes — Copernicus Clematis is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Copernicus Clematis bloom?

Copernicus Clematis typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Copernicus Clematis need full sun?

Copernicus Clematis does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.