North America Non-native Plant

Italian Leather Flower

Botanical name: Clematis viticella

USDA symbol: CLVI7

Life cycle: perennial

Habit: vine

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Viticella viticella (L.) Small, nom. inval. (VIVI6)   

Italian Leather Flower: A Mediterranean Climber for Your Garden If you’re looking to add vertical drama to your garden with cascading purple blooms, the Italian leather flower (Clematis viticella) might catch your eye. This Mediterranean native has found its way into North American gardens, where it’s appreciated for its elegant ...

Italian Leather Flower: A Mediterranean Climber for Your Garden

If you’re looking to add vertical drama to your garden with cascading purple blooms, the Italian leather flower (Clematis viticella) might catch your eye. This Mediterranean native has found its way into North American gardens, where it’s appreciated for its elegant bell-shaped flowers and vigorous climbing habit.

What is Italian Leather Flower?

Italian leather flower is a perennial climbing vine that belongs to the buttercup family. This twining plant produces woody stems that can reach impressive heights when given proper support. From summer through fall, it decorates itself with nodding, bell-shaped flowers in shades of purple and violet that seem to dance in the breeze.

You might also see this plant listed under its botanical name, Clematis viticella, or the synonym Viticella viticella in older gardening references.

Where Does It Grow?

While Italian leather flower is native to southern Europe and the Mediterranean region, it has established itself as a non-native species in parts of North America. You can find it growing wild in Ontario, Quebec, New York, and Tennessee, where it reproduces spontaneously and persists without human intervention.

Garden Appeal and Design Role

Italian leather flower shines as a vertical accent plant. Its climbing nature makes it perfect for:

  • Covering unsightly fences or walls
  • Adorning pergolas and arbors
  • Adding height to cottage garden borders
  • Creating privacy screens on trellises

The plant’s graceful, nodding flowers create a softer look compared to the large, showy blooms of hybrid clematis varieties. This makes it particularly suitable for naturalistic gardens and Mediterranean-style landscapes.

Growing Conditions and Care

Italian leather flower is relatively easy to grow once you understand its preferences. It thrives in USDA hardiness zones 4-8, making it suitable for a wide range of climates.

Light requirements: This climber performs best in full sun to partial shade. Aim for at least 6 hours of direct sunlight daily for optimal flowering.

Soil needs: Well-draining soil is essential. Italian leather flower tolerates various soil types but struggles in waterlogged conditions.

The cool feet, warm head rule: Like many clematis, this plant prefers to have its roots cool and shaded while its upper growth reaches toward the sun. Mulching around the base or planting low-growing companions can help achieve this.

Planting and Maintenance Tips

Success with Italian leather flower starts with proper planting and support:

  • Install a sturdy trellis, fence, or other support structure before planting
  • Plant in spring after the last frost date
  • Dig a hole twice as wide as the root ball and plant at the same depth
  • Apply a 2-3 inch layer of mulch around the base, keeping it away from the stem
  • Water regularly during the first growing season to establish roots

Annual pruning helps maintain shape and encourages flowering. Since Italian leather flower blooms on current year’s growth, you can cut it back hard in late winter or early spring without sacrificing flowers.

Wildlife and Pollinator Benefits

The nectar-rich flowers of Italian leather flower attract bees and butterflies throughout the blooming season. While not as specialized for native pollinators as indigenous plants, it can still contribute to garden biodiversity.

Should You Plant Italian Leather Flower?

As a non-native species that has naturalized in some areas, Italian leather flower presents both opportunities and considerations for gardeners. While it’s not currently listed as invasive, its ability to self-seed and persist in the wild means gardeners should be mindful of its potential spread.

If you’re drawn to its purple blooms and climbing habit, you might also consider native alternatives such as:

  • Virgin’s bower (Clematis virginiana) for similar climbing characteristics
  • Wild bergamot (Monarda fistulosa) for purple flowers that attract pollinators
  • American groundnut (Apios americana) for a native climbing vine

Whether you choose Italian leather flower or a native alternative, the key is creating a garden that brings you joy while supporting local ecosystems. With proper care and consideration, any of these plants can add beauty and wildlife value to your outdoor space.

Italian Leather Flower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Clematis L. - leather flower

Species

Clematis viticella L. - Italian leather flower

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA