Thompson & Morgan Radish Poloneza - Seed Packet (500 Seeds)
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This guide is for home gardeners looking to grow attractive, mild, and crisp radishes quickly. The key benefit is a super summer radish that resists bolting, ensuring a steady supply from spring to autumn. A caveat is that successful growth depends on well-prepared, moist, and free-draining soil. This product is a packet of 'Poloneza' radish seeds, known for its round, red-skinned roots with a white splash and mild, non-pithy flesh, ideal for salads. It's quick-growing, suitable for both early sowings under glass and outdoor planting, and can even be grown in containers.
All features
| Model Part Number | 75707 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
How many seeds are in a packet?
Each packet contains approximately 500 seeds, with an additional 25% extra free.
When is the best time to sow Radish Poloneza seeds?
Sow from February to March under glass, or from April to August outdoors for a continuous harvest.
What are the ideal growing conditions for Radish Poloneza?
They prefer a position in full sun or semi-shade with well-prepared, fertile, moist, and free-draining soil.
Can I grow these radishes in containers?
Yes, Radish Poloneza is suitable for growing in patio containers, making it a good option for small spaces.
How far apart should I thin the radish seedlings?
Thin the seedlings to about 2.5cm (1 inch) apart once they are large enough to handle.
What is the typical harvest period for this variety?
The harvest period is generally from April to October, depending on sowing time and growing conditions.
Why might my radishes be pithy?
Pithiness is usually caused by irregular watering or the plants bolting due to heat stress. Ensure consistent moisture and sow during the appropriate season.
Troubleshooting
Radish roots are small or misshapen
Ensure seedlings were adequately thinned to the correct spacing (2.5cm apart). Check soil fertility and moisture levels; improve drainage if soil is compacted.
Radish roots are pithy or dry
Maintain consistent soil moisture. Radishes can become pithy and dry if the soil dries out too much between waterings.
Radish plants bolt (flower prematurely)
This is often caused by heat stress, irregular watering, or planting too late in hot weather. Ensure consistent moisture and sow within the recommended temperature ranges. 'Poloneza' is bred to resist bolting but extreme conditions can still affect it.
Leaves have irregular holes chewed in them
This is likely flea beetle damage. Ensure good soil moisture, as vigorous plants are more resilient. Consider companion planting with mint or using protective netting if infestation is severe.
Seeds do not germinate
Ensure seeds were sown at the correct depth (1cm) and that the soil is moist and at a suitable temperature for germination (typically 10-20°C). Use fresh seed if the packet is old.
Pros and Cons
Pros
- Quick harvest time, providing fast results.
- Resistant to bolting, ideal for summer growing.
- Mild flavor and crisp texture, excellent for salads.
- Suitable for container gardening and small spaces.
- Attractive root appearance with red skin and white splash.
Cons
- Requires well-prepared, fertile, moist, and free-draining soil.
- Success depends on regular watering to prevent pithiness.
- Flea beetle damage can occur if not managed or protected.
- Harvest period is weather-dependent and may vary.
Setup, Compatibility & Care Instructions
Sowing Outdoors:
Direct sow radish seeds from April to August. Prepare a seedbed ensuring it is fertile, moist, and well-draining. Sow seeds thinly, 1cm deep, in rows spaced 15cm apart. Once seedlings are large enough to handle, thin them to 2.5cm apart.
Sowing Under Glass:
For an earlier start, sow seeds from February to March under glass or in a cold frame. Use a fertile, well-draining compost mix.
Soil & Position:
Radishes prefer full sun or semi-shade. Ensure the soil is well-prepared, fertile, moist, and free-draining for optimal growth. Consistent moisture is key to preventing pithiness.
Thinning:
Crucial for good root development. Thin seedlings to 2.5cm (1 inch) apart within rows.
Watering:
Keep the soil consistently moist, especially during dry spells, to encourage crisp roots and prevent bolting or pithiness.
Harvesting:
Radishes are typically ready to harvest from April to October. Harvest when roots reach a usable size, pulling them gently from the soil. Regular, staggered sowings (every 4 weeks) ensure a continuous supply.
Compatibility:
Suitable for growing in the ground, raised beds, and patio containers. Companion planting with mint may help deter flea beetles.