Thompson & Morgan Swiss Chard Lucullus Seed Packet - 200 Seeds

An RHS AGM variety, Swiss Chard 'Lucullus' produces lots of large, white stems which can be cooked...

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This seed packet is for home gardeners looking to grow a versatile and productive leafy green. The key benefit is its multiple edible parts, offering leaves like spinach, stems like asparagus, and flower stalks similar to broccoli. A caveat is that successful growth requires consistent moisture, especially during dry periods.

All features

Model Part Number23702
BrandThompson & Morgan

Extended Product Information

FAQs

How long does it take for Swiss Chard 'Lucullus' to mature?

For baby leaves, harvest can begin around 50 days after sowing. For larger, mature plants, allow more time depending on thinning and growing conditions.

Can I grow this in containers?

Yes, Swiss Chard 'Lucullus' is suitable for growing in containers, especially on patios, provided the pot is deep enough and the soil is kept moist.

What is the best way to harvest?

Harvest outer leaves first, cutting them at the base of the stem. This encourages new growth from the center of the plant and extends the harvest period.

How many seeds are in a packet?

Each packet contains approximately 200 seeds.

Can I eat the white stems?

Yes, the white stems are a key feature and can be cooked like asparagus. They are succulent and tasty, especially when served with butter.

What is the RHS AGM award?

RHS AGM stands for the Royal Horticultural Society's Award of Garden Merit, given to plants that have demonstrated excellent performance and reliability in trials.

What conditions should I avoid for best results?

Avoid letting the soil dry out completely, as this can stress the plant and lead to reduced yield or bolting. Extreme heat can also be challenging without consistent moisture.

Troubleshooting

Seeds fail to germinate

Ensure soil is consistently moist and at a suitable temperature (above 7°C). Check seed depth is correct; not too deep.

Plants are leggy and weak

Ensure adequate sunlight. Check if thinning was performed correctly to give plants enough space.

Leaves are small or stunted

Improve soil fertility with compost. Ensure consistent watering, especially during dry spells.

Bolting (going to seed prematurely)

This is less common with 'Lucullus' but can occur in extreme heat or drought. Ensure consistent moisture and partial shade during hot periods.

Pros and Cons

Pros

  • Highly versatile with edible leaves, stems, and flower stalks.
  • Provides harvest opportunities in both autumn and spring.
  • Adaptable to various light conditions (sun to partial shade).
  • Suitable for smaller gardens and containers.
  • Reliable variety with RHS AGM award.

Cons

  • Requires consistent watering to maintain soil moisture.
  • Harvesting timing needs to be managed for best results.
  • Seedlings require thinning for optimal plant development.

Setup, Compatibility & Care

Sowing Seeds:

  1. Prepare a well-drained, moist, and fertile seedbed.
  2. Sow seeds directly outdoors from March to August.
  3. Plant seeds thinly at a depth of 1cm (1/2") in drills spaced 30cm (12") apart.

Thinning & Spacing:

  • For 'baby leaves': Thin seedlings to 7cm (3") apart. Ready to harvest in approx. 50 days.
  • For larger leaves/mature plants: Thin to 15cm (6") or 23cm (9") apart respectively.

Growing Conditions:

  • Light: Full sun or partial shade.
  • Soil: Moist, fertile, and well-prepared.

Watering:

  • Water regularly, especially during dry periods, to keep the soil consistently moist.

Harvesting:

  • Harvest regularly by picking a few leaves from each plant.
  • This encourages fresh growth and extends the cropping season.

Compatibility:

  • Ideal for patios, kitchen gardens, and borders.
  • Hardy variety suitable for most UK climates.