Verbena Seeds 'Bonariensis Vanity' - Unwins
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This guide is for gardeners seeking to add vibrant, long-lasting blue color to their garden beds and attract pollinators. The Unwins Verbena Bonariensis Vanity seeds offer a hardy perennial with a compact form and intense blue flowers that bloom from June to October, a key benefit for continuous garden display. A potential caveat is the need for consistent moisture during germination and initial growth. This variety stands out with its fine foliage, unique blue hue, and suitability for attracting bees and butterflies, aligning with RHS 'Plants for Pollinators' criteria.
All features
| Model Part Number | 30211225 |
|---|---|
| Brand | Unwins |
Extended Product Information
FAQs
When should I sow the Verbena 'Bonariensis Vanity' seeds?
Sow seeds from February to May indoors or in a greenhouse. Planting out should occur after the risk of frost has passed.
What are the ideal growing conditions for this verbena?
They thrive in a sunny position with well-drained soil. Consistent moisture is important, especially during the initial growth stages.
Do I need to stake Verbena 'Bonariensis Vanity'?
No, this variety has a more compact and hardy form and generally does not require staking.
How long do the flowers last?
The plants have a long flowering period, typically from June through to October, providing continuous color.
Are these seeds suitable for attracting wildlife?
Yes, they are RHS 'Plants for Pollinators' and are excellent for attracting bees and butterflies. The seed heads also attract birds.
Can I grow these in pots or containers?
Yes, their compact form makes them suitable for container planting, provided they have adequate drainage and sunlight.
When is the best time to cut back the plants?
It is recommended to cut back the plants in spring to encourage new growth for the coming season.
Troubleshooting
Seeds not germinating
Ensure consistent moisture and warmth (15-18°C). Check that seeds are not buried too deeply and are receiving adequate light. Old seeds may have reduced viability; try a fresh packet.
Seedlings are leggy or weak
Provide more light and ensure temperatures are not excessively high. Avoid overwatering, which can lead to damping off.
Plants wilting despite watering
Check soil drainage. Verbena requires well-drained soil and can suffer from root rot if waterlogged. Ensure the planting site is not compacted.
Poor flowering
Ensure the plant is in a sunny position. Insufficient sunlight is the most common cause of reduced flowering. Ensure adequate watering during dry periods.
Pests on leaves (e.g., aphids)
Inspect plants regularly. Minor infestations can be washed off with water or treated with insecticidal soap. Encourage natural predators like ladybirds.
Pros and Cons
Pros
- Provides continuous color for a long season (June-October).
- Attracts beneficial insects like bees and butterflies.
- Compact size is versatile for different garden designs.
- Hardy perennial nature reduces annual planting effort.
- Attractive seed heads offer winter interest and bird food.
- RHS 'Plants for Pollinators' designation.
Cons
- Requires consistent moisture during germination and early growth stages.
- Needs a sunny position for optimal flowering.
- Requires well-drained soil to prevent root rot.
- Plants need to be hardened off before planting outside.
- Initial transplanting can be delicate due to small seedling size.
Setup, Compatibility & Care
Sowing:
- Fill a seed tray with moist seed compost.
- Sow seeds thinly on the surface and lightly cover with compost.
- Place in a warm position (15–18°C) and keep consistently moist.
- Ensure the location is light but protected from direct sunlight.
Growing On:
- Once seedlings are large enough to handle, transplant them individually into 8cm pots or space them 5cm apart in trays of potting compost.
- Grow on at a minimum temperature of 10°C.
Planting Out:
- Gradually acclimate seedlings to outdoor conditions over 2–3 weeks.
- Plant out only when the risk of frost has passed.
- Choose a sunny location with well-drained soil.
- Water plants thoroughly until they are established.
Care:
- Watering: Keep soil consistently moist during establishment and dry spells.
- Staking: Generally not required due to the plant's sturdy, compact habit.
- Pruning: Cut back in spring to encourage new growth.
- Winter: Leave seed heads to stand for winter interest and bird food.