Thompson & Morgan Cabbage Primo 11 1 Seed Packet (250 Seeds)
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This guide is for home gardeners looking to grow their own summer cabbages. The key benefit is easy cultivation of productive, solid 'ball head' cabbages for harvest from June to August. A caveat is that while seeds are plentiful, germination success can vary based on environmental conditions and seed age. This product offers approximately 250 seeds of the 'Primo' variety, known for reliability and producing delicious, versatile cabbages ideal for salads or cooked dishes.
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| Model Part Number | 23627 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
When is the best time to sow Cabbage 'Primo' seeds?
You can sow seeds indoors from February to May, or direct sow outdoors from late March onwards.
What are the ideal conditions for germination?
Seeds germinate best when kept at a consistent temperature of 20-25°C (68-77°F) in moist seed compost.
How far apart should I plant the cabbage seedlings?
For direct sowing, space rows 23cm (9") apart. When transplanting, ensure adequate space for mature plants to grow to their full spread of up to 45cm (18").
What is the expected harvest period for 'Primo' cabbages?
You can expect to harvest your cabbages from June through to August.
Can I grow these cabbages in containers?
While they prefer a well-prepared seedbed outdoors, with adequate space and consistent watering, container growing may be possible for smaller heads.
What does 'ball head' cabbage mean?
'Ball head' refers to the shape of the mature cabbage, which forms a dense, rounded or spherical head.
How many seeds are in a packet?
Each packet contains approximately 250 seeds.
Troubleshooting
Seeds not germinating
Ensure consistent temperature (20-25°C) during germination. Check that compost is kept moist but not waterlogged. Older seeds may have reduced viability.
Seedlings are leggy or weak
Provide adequate light after germination and ensure they are growing in cooler conditions. Avoid overly warm environments post-germination.
Pest infestation (e.g., flea beetles, cabbage white butterflies)
Utilize companion planting (mint for flea beetles, nasturtiums for butterflies). Use netting or barriers if necessary. Handpick larger pests.
Plants not forming solid heads
Ensure plants are receiving adequate sunlight and nutrients. Consistent watering is crucial. Space plants appropriately to allow for full development.
Pros and Cons
Pros
- Reliable and productive 'Primo' variety
- Produces uniform, solid heads
- Extended harvest window from June to August
- Versatile for raw and cooked dishes
- Generous seed quantity per packet (approx. 250 seeds)
- Good for companion planting strategies
Cons
- Requires specific temperature range for optimal germination (20-25C)
- Seedlings are vulnerable to frost and require protection
- Germination success can be influenced by storage conditions and seed viability
- Needs full sun for best growth
- Transplanting requires careful handling to avoid root disturbance
Setup, Compatibility & Care
Sowing Indoors:
- Start seeds indoors from February to May.
- Sow seeds 12mm (1/2") deep in trays filled with free-draining seed sowing compost.
- Cover with a fine layer of vermiculite.
- Place trays in a propagator or seal inside a plastic bag at 20-25°C (68-77°F) until germination (4-7 days).
- Once germinated, grow seedlings on in cooler conditions until they have 2-3 true leaves and all risk of frost has passed.
Sowing Outdoors:
- Direct sow outdoors from late March into a well-prepared seedbed.
- Sow seeds 13mm (1/2") deep.
- Space rows 23cm (9") apart.
- Transplant seedlings to their final positions when they are large enough.
Growing Conditions:
- Position: Full Sun.
- Height: Up to 30cm (12").
- Spread: Up to 45cm (18").
Care:
- Ensure soil is well-drained and rich in organic matter.
- Water regularly, especially during dry spells.
- Protect young plants from pests like slugs and flea beetles.
- Harden off indoor-sown seedlings before transplanting outdoors.