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Devil's Darning Needles (Clematis virginiana)

Clematis virginiana, commonly known as Devil's Darning Needles, is a vigorous native vine producing abundant white flowers in late summer followed by attractive seed heads.

Above information is sourced from Wikipedia

Sunlight

Prefers full sun but tolerates partial shade.

Watering

Moderate to high, especially during dry spells.

Soil

Prefers well-drained, fertile soil with a slightly acidic to neutral pH. Amend heavy clay soils with compost.

Temperature

Hardy in USDA zones 3-8.

Habitat

Outdoor

Fertilizer

Light feeding in spring.

Care Requirements

Light

Prefers full sun but tolerates partial shade.

At least 6 hours of direct sun is optimal for flowering.

Water

Moderate to high, especially during dry spells.

Keep soil consistently moist.

Soil

Prefers well-drained, fertile soil with a slightly acidic to neutral pH. Amend heavy clay soils with compost.

Temperature

Hardy in USDA zones 3-8.

Prefers moderate growing temperatures.

Habitat

Outdoor

Fertilizer

Light feeding in spring.

Use a balanced, slow-release fertilizer; avoid high nitrogen.

Plant Overview

Plant Type

Vine

Plant Category

Flowering, Ornamental

Plant Place Type

Ground, Garden

Plant Environment

Outdoor

Lifespan

Perennials

Plant Height

3-6 m

Spread

1-3 m

Growth Rate

Fast

Dormancy

Yes

Leaf Color

Green

Leaf Type

Compound

Flower Size

1.5-2.5 cm

Image Gallery

Flowering & Fruiting Cycles

Monthly activity intensity for bloom and fruit across both hemispheres.

Northern hemisphere

Flowering & fruiting calendar

Peak bloom · JulPeak fruit · Sep
FloweringFruiting
02468JanFebMarAprMayJunJulAugSepOctNovDecActivity intensityMonths86
Southern hemisphere

Flowering & fruiting calendar

Peak bloom · JunPeak fruit · Aug
FloweringFruiting
02468JanFebMarAprMayJunJulAugSepOctNovDecActivity intensityMonths86
Synonyms
Clematis bracteata (Moench) DC.
Clematis canadensis Mill.
Clematis cordifolia (Moench) DC.
Clematis fragrans Salisb.
Clematis holosericea Pursh
Clematis missouriensis Rydb.
Clematis pensylvanica Donn ex Turcz.
Clematis purshii D.Dietr.
Clematitis bracteata Moench
Clematitis cordifolia Moench
Clematitis virginiana (L.) Couret-Vill.
Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classMagnoliopsida
  • orderRanunculales
  • familyRanunculaceae
  • genusClematis
  • speciesClematis virginiana
Toxicity

Toxic for humans

No

Rating: 0/5

Toxic for pets

No

Rating: 0/5

Edible

No

Additional Care Tips

Provide consistent moisture, especially when the plant is establishing and during hot, dry weather. Allow the top inch of soil to dry slightly between waterings.

Prune in late winter or early spring before new growth begins. Remove dead, damaged, or crossing stems. Can be cut back hard to encourage vigorous new growth and flowering.

Easily propagated from seeds sown in fall or by stem cuttings taken in summer. Division of established clumps is also effective in early spring.

Not typically repotted as it is a vigorous vine usually planted in the ground. Container-grown plants may need repotting every 2-3 years into a larger container with fresh potting mix.

FAQs

When is the best time to prune Clematis virginiana?

Prune in late winter or early spring before new growth emerges to remove dead, damaged, or crossing stems and to shape the plant.

What kind of soil does Devil's Darning Needles prefer?

It thrives in well-drained, fertile soil. Amending heavy clay with compost improves drainage and aeration, which is crucial for its health.

How much water does Clematis virginiana need?

This vine prefers consistently moist soil, especially during establishment and dry periods. Water deeply when the top inch of soil feels dry.

Is Clematis virginiana poisonous to cats or dogs?

No, Clematis virginiana is not considered toxic to pets. However, it's always best to prevent pets from ingesting any plant material.

Why is my Clematis virginiana not flowering well?

Insufficient sunlight, overly rich soil with too much nitrogen, or improper pruning can all reduce flowering. Ensure it receives adequate sun and is fertilized appropriately.