Yellow Clematis Tangutica - Quebec Seeds | Les Semis de la Seigneurie

The hardy yellow clematis, with golden bell-shaped flowers!

Clematis Tangutica is a spectacular perennial climber producing bright yellow, bell-shaped, drooping flowers. Grown at Semis de la Seigneurie, this clematis offers abundant blooms from June to September, followed by beautiful silvery, feathery seed heads. It reaches a height of 3-4 m and has vigorous growth. Extremely hardy (zone 3), it is perfect for the Quebec climate. Ideal for pergolas, trellises, fences, and walls.

Why choose the Yellow Clematis Tangutica from Semis de la Seigneurie?

✅ Seeds produced in Quebec – Suitable for zone 4b+, without chemical pesticides

✅ Very hardy – Survives up to zone 3

✅ Extended flowering period – June to September

✅ Decorative Fruits – Autumnal Silver Feathers

✅ Vigorous – Fast growing, 3-4 m

Culture in Quebec (zone 4b and above)

Sow indoors 8-10 weeks before the last frost or directly in the garden after the last frost. Cold stratification is recommended (4 weeks in the refrigerator). Full sun to partial shade, rich, well-drained soil. Space 90-120 cm apart. Provide sturdy support. Flowers from the second year onwards. Hardy perennial that returns annually.

Producer's advice

💚 Head in the sun, feet in the shade (mulch)

🌼 Flowering on current-year wood (prune in spring)

☀️ Essential solid support

💧 Regular watering, especially in the first year

Uses in the garden

The Yellow Clematis Tangutica is perfect for pergolas, trellises, fences, walls, dead trees, arches, and vertical gardens. Its bright yellow flowers and feathery fruits create a unique visual display from summer to autumn!

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🌱 CULTURE

Indoor sowing:

• Start 8-10 weeks before the last frost (March-April)
• Recommended cold stratification: 4 weeks in the refrigerator
• Germination temperature: 18-22°C
• Germination: 14-30 days (patience)
• Depth: 0.5 cm
• Maintain constant humidity

Direct seeding:

• After the last frost (end of May)
• Natural stratification by sowing in the autumn
• Depth: 0.5 cm
• Mark the location (slow germination)

Plantation:

• Full sun to partial shade (4-6 hours of sun)
• Rich, well-drained soil, pH 6.5-7.5
• Spacing: 90-120 cm
• Plant deeply (5 cm below soil level)
• Install solid support immediately
• Mulch the base (keeps the feet cool)

Interview :

• Water regularly, especially in the first year.
• Fertilization in spring (compost)
• Prune in spring (flowers on new wood)
• Protect the base in winter (mulch)
• Guide rods onto support
• Watch out for slugs on young plants

Bloom :

• First flowering: 2nd year
• Period: June to September
• Yellow, bell-shaped flowers hanging down
• Silvery feathery fruits (autumn)
• Very decorative in all seasons

Adaptation to the Quebec climate:

✅ Hardy zone 3 (survives -40°C)

✅ Perennial that returns every year

✅ Withstands harsh winters

✅ Variety successfully tested in Quebec

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🌟 MAIN FEATURES

• Common name: Yellow Clematis Tangutica
• Botanical name: Clematis tangutica
• Type: Climbing perennial
• Hardiness: Zone 3 (-40°C)
• Height: 3-4 m
• Flowering: June to September
• Flower color: Bright yellow, drooping bells
• Fruits: Decorative silver feathers
• Exposure: Full sun to partial shade
• Spacing: 90-120 cm
• Seed origin: Produced in Quebec by Les Semis de la Seigneurie
• Free from chemical pesticides

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💡 SUGGESTIONS FOR USE

In the garden:

• 🏛️ Pergolas – Flowery Shade
• 🪜 Trellis – Living wall
• 🪵 Fences – Flower screen
• 🧱 Walls – Vertical cladding
• 🌳 Dead Trees – A Decorative Second Life
• 🌉 Arches – Romantic Passage
• 📐 Vertical gardens – Space saving
• 🎨 Flowerbeds – Height and color

Associations:

• Climbing roses (complementary flowering)
• Hostas at the base (shade at the feet)
• Low-growing perennials (root protection)
• Shrubs (natural support)

Annual maintenance:

• Prune in spring (30-60 cm from the ground)
• Fertilize in the spring
• Mulch base (freshness)
• Admire the blooms all summer long!