← Back to plants

Photos are representative and may not match your specific variety.
Clematis 'Jackmanii'
VineClematis × jackmanii
- Partial sun
- Zones 3–9
- 60 days to maturity
- Flowers
- 48" spacing
- High water
- pH 6.5–7.5
Overview
The most popular and reliable clematis variety, beloved for its profuse display of large, velvety purple flowers that bloom from midsummer through fall. This vigorous climber is perfect for covering arbors, fences, or trellises with its stunning 4-6 inch violet-purple blooms that have made it a garden classic for over 150 years.
Planting
Plant nursery specimens in spring. Plant crown 2-3 inches below soil surface. Mulch roots to keep cool.
Growing
Sun: partial. Water: high. Soil pH: 6.5–7.5. Space plants 48" apart. Germination: 30-90.
Pests & diseases
Common pests: Aphids, spider mites, earwigs. Common diseases: Clematis wilt, powdery mildew, leaf spot.