Unwins Lavender Blue Spear Seeds - 25 Seeds
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This guide is for gardeners seeking a beautiful, fragrant, and pollinator-friendly addition to their garden. The Unwins Lavender Blue Spear Seeds offer large, intense violet-blue flower spikes with a compact, upright habit, perfect for borders, pots, and cut flowers. A potential caveat is that early sowing is recommended for flowering in the same year.
All features
| Model Part Number | 30211333 |
|---|---|
| Brand | Unwins |
Extended Product Information
FAQs
When is the best time to sow Unwins Lavender Blue Spear seeds?
Sow seeds from February to August. For flowering in the same year, sow early in the season (February to April).
How long does it take for the seeds to germinate?
Germination typically takes between 14 to 28 days, depending on temperature and moisture levels.
What kind of soil is best for Lavender Blue Spear?
Lavender Blue Spear thrives in well-drained soil. Sandy or gravelly soil is ideal. Improve heavy soils with grit.
Can I grow Lavender Blue Spear in pots?
Yes, its compact habit makes it very well-suited for growing in pots and containers, provided they have good drainage.
How tall does the Lavender Blue Spear grow?
This variety has a compact, upright growing habit, typically reaching a moderate height suitable for borders and containers.
When does Lavender Blue Spear flower?
Flowering occurs from June to September.
Can the flowers or foliage be used for anything?
Yes, lavender flowers and foliage can be used in salads, candied for desserts, or used to flavor jams. Flowers can also be dried for crafts and potpourri.
Do I need to prune the lavender?
Yes, it is recommended to trim back the plants after flowering to maintain a compact habit and encourage robust growth for the following season.
Troubleshooting
Seeds not germinating
Ensure consistent moisture and warmth (15-20°C). Avoid sowing too deeply. Sterilize compost to prevent fungal issues.
Leggy or weak seedlings
Provide adequate light once germinated. Ensure they are not overcrowded and have good air circulation. Transplant to individual pots.
Plant wilting despite watering
Check soil drainage. Lavender prefers well-drained soil and can suffer from root rot in overly wet conditions. Ensure the pot or planting site has good drainage.
Lack of flowers
Ensure the plant receives full sun. Avoid over-fertilizing, as this can promote foliage growth at the expense of flowers. Trim back after flowering to encourage bloom production next season.
Pests on foliage
Inspect regularly for common pests like aphids. Often, a strong jet of water can dislodge them, or insecticidal soap can be used if necessary. Good air circulation can deter some pests.
Pros and Cons
Pros
- Produces vibrant, large flower spikes in an attractive violet-blue color.
- Compact growth habit suits smaller gardens, borders, and containers.
- Excellent for attracting beneficial pollinators like bees and butterflies.
- Aromatic foliage and flowers enhance garden scent and can be used culinarily.
- Long flowering period from early summer to early autumn.
- Suitable for cutting and drying, providing long-lasting indoor beauty.
Cons
- Requires well-drained soil; can be susceptible to root rot in waterlogged conditions.
- Needs a sunny location for optimal growth and flowering.
- Requires trimming after flowering to maintain its compact shape.
- May not flower in the first year if sown too late in the season.
- Seed germination can be slow and requires specific temperature conditions.
Setup, Compatibility & Care
Sowing:
- Sow seeds thinly over moist seed compost.
- Lightly cover the seeds with compost.
- Place in a warm environment, ideally between 15–20 °C.
- Keep the compost consistently moist but not waterlogged.
- Once seedlings are large enough to handle, transplant them 5 cm apart into trays or individually into 8 cm pots.
- Gradually acclimate the young plants to outdoor conditions over 2–3 weeks before planting out.
Planting:
- Plant out from early summer onwards.
- Ensure a spacing of at least 35 cm between plants.
- Choose a sunny location with well-drained soil.
Care:
- Water regularly, especially during dry periods, ensuring soil does not become waterlogged.
- Trim back the plants after flowering to maintain a compact habit and encourage bushy growth.
- Protect young plants from harsh weather conditions.
Compatibility:
- Thrives in full sun.
- Requires well-drained soil; avoid heavy clay soils unless improved with grit or sand.
- Ideal for mixed borders, herb gardens, rock gardens, and containers.