Thompson & Morgan Pepper Sweet - Red King F1
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Product Information
Full details
The Red King F1 sweet pepper is an excellent choice for home gardeners seeking high-yielding, large, blocky peppers perfect for culinary tasks like stuffing, roasting, and raw snacking. These reliable, bushy plants thrive in greenhouses, conservatories, or sunny patio containers; however, gardeners must ensure they remain in a frost-free environment, as the variety is sensitive to cold temperatures.
All features
| Model Part Number | Red King F1 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
Can I grow these peppers outdoors?
Yes, they can be grown outdoors in a sheltered position in full sun, provided that all risk of frost has completely passed.
How far apart should I plant them?
Space your sweet pepper plants at a distance of 45cm (18 inches) apart to allow for proper airflow.
Do I need a greenhouse?
While a greenhouse or polytunnel is ideal for maximizing yield and protecting against weather, they can also thrive on a sunny patio.
What is the expected height of the plant?
The Red King F1 reaches a height of up to 50cm (20 inches) when fully established.
How long does it take for seeds to germinate?
Under ideal conditions (18-25C), germination typically takes between 7 and 10 days.
When can I expect to harvest?
The harvest period for Red King F1 peppers runs from July to October.
Troubleshooting
Seeds failing to germinate
Ensure the propagator temperature is consistently between 18-25C and verify that the seeds are not buried too deeply or kept in total darkness.
Plants looking stunted or yellowing
Check soil fertility and ensure the plants are not root-bound in small containers; provide liquid fertilizer if soil nutrients are depleted.
Fruit drop before ripening
Ensure consistent watering practices, as significant fluctuations in soil moisture can cause stress and fruit drop.
Pros and Cons
Pros
- High yield of large, blocky fruit
- Compact 50cm size perfect for patio containers
- Versatile flavor profile for cooking or raw consumption
- Strong, bushy growth habit
- Suitable for both greenhouse and outdoor sheltered locations
Cons
- Sensitive to frost, requiring careful timing for outdoor planting
- Needs full sun to maximize fruit production and sweetness
- Requires consistent moisture and fertile soil for best results
- Limited number of seeds (approx. 8) per packet
Setup, Compatibility & Care
To ensure success, sow seeds on the surface of damp, free-draining mix and cover lightly with vermiculite or compost. Maintain light exposure during germination to encourage healthy growth. Once seedlings reach a handleable size, move them to 7.5cm pots before hardening them off for their final location. Whether you choose to grow them in a polytunnel or a sheltered outdoor sunny spot, ensure the soil remains moist but not waterlogged. The plants are naturally compact, meaning they rarely require complex staking, but a gentle tie-in may be helpful if the fruit load becomes heavy.