Clematis viticella 'East River'
vine

East River Clematis

Clematis viticella 'East River'

The Story

Plant Bio

Clematis viticella, or Italian Clematis, is a deciduous, woody-stemmed climbing vine known for its vigorous growth and profuse, nodding, bell-shaped flowers.

Viticella types are prized for their disease resistance (especially to clematis wilt) and for blooming on new wood, which allows for hard pruning in late winter.

Uses & Benefits:

Ornamental UsesA stunning climber with vibrant flowers that enhances vertical spaces and adds color to gardens.
Practical UsesProvides shade and privacy when trained on trellises or fences.
Ecological BenefitsSupports pollinators like bees and butterflies with its nectar-rich blooms.
SpeciesClematis viticellaItalian Clematis

Essentials

At a Glance

Plant Type

Vine

Height

144 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9, 10

Water

Moderate, keep soil moist

Humidity

Prefers well-drained soil with moderate humidity

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Toxic if ingested; can cause skin irritation.

Bloom period

Mid-summer – Early fall

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In flower about 3 months of the year

Planting

How to Grow

  1. Tuck young vines into a trellis or support structure in early spring.
  2. Mist cuttings regularly to maintain humidity for root development over 6 weeks.
  3. Water deeply once a week during the growing season to promote healthy growth.
  4. Apply a balanced fertilizer in early spring and mid-summer for optimal flowering.
  5. Prune after flowering to shape the vine and remove dead or weak stems.
  6. Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Provide sturdy support early on to encourage vigorous climbing and flowering.

Keep It Thriving

Care Guide

Do

  • Water consistently during dry spells 🌱
  • Prune after flowering to maintain shape
  • Feed with a balanced fertilizer in spring and summer
  • Mulch to conserve moisture

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don’t prune in late fall or winter
  • Avoid neglecting support structures
  • Don’t fertilize with high nitrogen in late season

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vigorous climbing vine on trellisesDecorative covering for fencesElegant floral display on arbors

Companion Plants

Lavender Roses Hostas Daylilies Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

East River Clematis questions

What zones can East River Clematis grow in?

East River Clematis is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is East River Clematis deer resistant?

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

When does East River Clematis bloom?

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

Does East River Clematis need full sun?

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

Keep exploring

Grow East River Clematis with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.