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Lettuce Seeds - Parris Island Cos

Botanical - Lactuca sativa

Notes:

Seed Count:
490 Seeds
Rating:
Availability:
Usually despatched within 24 hours
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Current Stock:
Out of stock
SKU:
OV-LET-07
 
Price £1.85
 

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490 Seeds.

Other Names - Romaine Lettuce, Cos Lettuce…

The large heads of Parris Island Cos have deep green, crisp outer leaves with hearts of creamy yellow - white. This popular heirloom variety has excellent disease resistance and can be grown as a cut and come again if preferred.

  • Stands for a long time before running to seed.
  • Sweet flavour and crisp texture.
  • Popular variety with good disease resistance.

Suitable For - Vegetable plot, raised beds, container garden

Sowing Months - March - August

Harvest - May - October


Gardening is about finding the right balance! Try growing Companion Plants close by to help deter pests.

  • Peas, sweetcorn, runner beans and climbing French beans are good companion plants as they can create some welcomed shade for the lettuce plants especially on hot sunny days.
  • Radishes are good companions to grow next to lettuce as they do not compete with one another.
  • Calendula (Pot marigold) attracts predatory insects such as lacewings, ladybirds and hoverflies who love to feast on aphids.
  • Nasturtiums - aphids are attracted to this plant. Grow these flowers close by as a sacrificial plant. If there are aphids in the area the nasturtiums will help to draw the pests away from the crop.

Soil Preperation

Add a good amount of compost to the soil a few months before sowing or planting. Add lime if needed. A week before sowing rake the surface of the soil to produce a fine tilth and add some general purpose organic fertilizer. The soil should be a fine tilth.

General InformationSowing & Planting Information
Habit Annual Module Grown & Transplants
Type Romaine / cos variety Distance between plants 25 cm
Position Full sun, partial shade Distance between rows 25 cm
Average height 25 cm Direct Sowing
Average spread 30 cm Sowing distance between plants 0.5 cm
Hardiness Hardy Distance between rows 25 cm
Overwintering No Sowing depth Surface / 0.2 cm
Soil Ph 6.5 - 7.0 Germination temperature 8 to 18℃
    Days to germination 7 - 14 days

Sowing Guide

Early Sowing/Module Sowing

In 4 cm modules, sow 2 - 3 seeds onto the surface of moist compost. Cover the seeds lightly with a thin covering of fine vermiculite or if preferred leave the seeds uncovered. Lettuce will struggle to germinate if the temperature is too high. Place the containers in a clear polythene bag and seal or if preferred place in a propagator. Keep the modules out of direct sunlight at this point. This will help to prevent the compost from drying out especially if the seeds are uncovered. Once germination has started remove from the bag or propagator and move to a cooler but not cold location, protect from frost.
When the seedlings are big enough to handle thin to one strong seedling per module. Ensure the seedlings have access to as much daylight as possible, a windowsill or greenhouse is ideal. A few weeks later (depending on speed of growth, early sowings will grow slower) plant out into their final growing position.
Harden off over 7 - 10 days before planting out to reduce shock. Plant out at the distance suggested above. Firm the soil around each plant and water well. Cover early sowings with horticultural fleece until growth is strong.

Direct Sowing

Sow 1 seed every 0.5 cm at the depth and row distance suggested above. Lightly cover the seeds with fine soil and water well. Cover early sowings with horticultural fleece until growth is strong. Sow again if after 2 weeks there is no sign of the lettuce seedlings, the chances are slugs will have eaten the whole row. If this problem re occurs try starting the seedlings indoors.


Growing On

After 3 - 6 weeks of germination (depending on speed of growth) a choice can be made at this point regarding the direct sown lettuce plants. A decision can be made to cut the whole row with scissors or a sharp knife close to the ground and treat the lettuce as a baby leaf crop. The lettuce plants however after this severe cutting are unlikely to grow back well. If this technique is preferred it is advisable to sow short rows in succession to provide baby leaves every week throughout the season.
Or a less drastic alternative at this stage would be to thin the young plants to 25 cm apart and the thinning's can be eaten as baby leaf. The remaining plants can then be left to fully mature. Or if preferred rather than allowing the remaining plants to fully mature, after a few weeks the outer leaves can be regularly harvested as a cut and come again. The regular picking of the outer leaves can continue for 6 - 8 weeks or until the plants run to seed.
Whichever technique is used the lettuce will need to be watered well every 5 - 10 days. More often in dry weather and if growing in containers. Weed regularly to keep competing plants under control.


Harvesting

Lettuce grown to produce a fully mature heart are best sown little and often otherwise they will all mature at the same time. As soon as they mature they will then start to grow tall and run to seed. Sow a little seed fortnightly to keep a regular supply of mature lettuce heads growing at different stages in the garden.
To harvest the lettuce heads cut the lettuce stems close to the ground with a sharp knife. If there is no other lettuce available, leave the remaining root stump in the ground to sprout a few more lettuce leaves.
When harvesting lettuce as a 'cut and come again' over a long period, harvest the outer larger leaves first, leaving the small leaves in the middle of the plant to develop further for future pickings. Regular pickings will encourage the lettuce plant to produce even more leaves. However avoid over harvesting and always leave the plant with at least 5 - 6 leaves.
Remove slug damaged or rotting leaves whilst harvesting. Lettuce can store in the fridge in a polythene bag for 5 - 7 days.

TIP

To help avoid mould growth in damp weather conditions avoid growing lettuce plants too close together so that each plant has good air circulation.

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(Including Northern Ireland, the Highlands & Islands, Scilly Isles, Channel Isles and the Isle of Man). Delivery charges to these areas are the same as UK mainland stated below (with no additional surcharge). Delivery however may take longer than the times stated due to weather, distance etc.)


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