Romaine Lettuce 'Parris Island Cos' Seeds — Organic

Lactuca sativa

Product code : LIKE-0031

Organic Parris Island Cos romaine offers emerald-green leaves and a creamy-white heart. Its crisp texture suits Caesar salads and dishes where leaves need to hold their shape. The supplier notes good bolting resistance and heat tolerance, but cool periods are still useful guides for sowing. Grow in fertile, well-drained soil and maintain consistent moisture. Thin seedlings to allow the heads to develop. Harvest at the base before a flower stalk appears, then prepare the fresh leaves to enjoy the contrast between heart and outer foliage. Parris Island Cos is a romaine, with an elongated head and a pale heart inside emerald-green leaves.
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Detailed plant guide
Advice adapted to Canada
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Quantity
Approximately 1,000 seeds
Exposure
Full sun

Discover the plant

Common nameRomaine lettuce
FamilyAsteraceae
GenusLactuca
Speciessativa
CultivarParris Island Cos
TypeVegetable seeds
Botanical nameLactuca sativa

Romaine Lettuce 'Parris Island Cos' Seeds — Organic (Lactuca sativa) Organic 'Parris Island Cos' is a romaine lettuce with emerald-green leaves surrounding a creamy-white heart. These lettuce seeds are part of the Aimers organic seed range. Its elongated habit and crisp texture suit salads where the leaves need to hold their shape. The supplier describes resistance to bolting and tolerance of summer warmth. This adds another romaine option to the garden while still requiring close attention to watering during hot weather. The supplier describes a height of about 25 cm.

Sow as soon as the spring soil can be worked, 3 mm deep in rows 45 cm apart. Thin plants to 30 cm apart. Repeat sowing every two weeks while conditions remain favourable and cool. Allow plants enough space to develop their romaine heads. Consistent moisture helps maintain leaf quality as temperatures rise. Bolting resistance is relative: keep watching the centre and harvest before the flower stalk lengthens. For further sowings, consider local weather and the growing time remaining in your region. Loose, well-drained soil rich in organic matter suits this lettuce.

Chop the romaine for a homemade Caesar salad or use the leaves with crisp vegetables. A light dressing preserves the contrast between the tender heart and outer leaves. Cut the head at its base just below the lower leaves. Do not wait for bolting, even though the variety resists it relatively well: the flower stalk marks changes in texture and flavour. Lettuce is mainly eaten fresh, after careful washing and gentle drying. Pick what you need for the meal to enjoy the leaves’ texture. Prepare the amount needed for the meal and refrigerate any cut vegetables.

Romaine Lettuce 'Parris Island Cos' Seeds — Organic

Sowing guide

It all startswith a seed.

Sowing period

Spring, once the soil can be worked; adjust sowing to local weather

Propagation

Direct sowing

Growing method

Sow as soon as the spring soil can be worked, 3 mm deep in rows 45 cm apart. Thin plants to 30 cm apart. Repeat sowing every two weeks while conditions remain favourable and cool. Allow plants enough space to develop their romaine heads. Consistent moisture helps maintain leaf quality as temperatures rise. Bolting resistance is relative: keep watching the centre and harvest before the flower stalk lengthens. For further sowings, consider local weather and the growing time remaining in your region. Prepare the bed before sowing to provide good conditions for germination and emergence. After heavy rain, check drainage rather than automatically adding more water. During dry weather, check moisture near the roots. A plant label records the variety name and helps distinguish successive sowings. Record the stages of growth to adapt future crops to local conditions, without treating an estimated maturity period as a harvest guarantee. In Quebec and elsewhere in Canada, sow lettuce chiefly when the soil can be worked and the weather remains cool. Give the romaine heads enough spacing to develop and keep soil moisture consistent as temperatures rise. Bolting resistance is relative, so inspect the growing centre and cut mature heads before a flower stalk changes the leaves’ flavour and texture.

Soil and care

The right care,at the right time.

Watering

Maintain consistent moisture during germination and growth. Water gently to avoid moving the small seeds, then adjust watering to rainfall and heat. Check below the surface: soil that looks dry on top may still be moist underneath. Prolonged drought reduces leaf quality. Check containers more frequently because sun and wind quickly dry the potting mix. Keep drainage open as well as checking moisture; more water does not help roots sitting in saturated potting mix.

Soil type

Loose, well-drained soil rich in organic matter suits this lettuce. Before sowing, prepare a fine surface to provide good contact between small seeds and soil. Avoid areas where water stands after rain. An open soil structure makes moisture checks and care easier in beds and containers alike. Work soil after excess moisture has drained rather than compacting it by starting too early in spring.

Fertilization

Preparing the soil with organic matter helps support lettuce growth. Adjust fertilizer to the soil’s actual fertility instead of routinely applying large amounts. If using fertilizer, choose a product suitable for vegetables and follow the manufacturer’s instructions. Regular watering and good drainage remain essential: extra fertilizer does not correct drought or overcrowding. Check watering and spacing before increasing fertilizer, since overcrowding or dry soil can also slow growth and affect the harvest.

Seasonal care

Sow as soon as the spring soil can be worked, 3 mm deep in rows 45 cm apart. Thin plants to 30 cm apart. Repeat sowing every two weeks while conditions remain favourable and cool. At the start of the season, prepare the soil and remove weeds that compete with young plants. As the plants grow, check moisture regularly and inspect the foliage so that problems are noticed promptly. If leaves are damaged, examine the plant and identify the cause before taking action. Avoid applying treatments simply out of habit. Handle plants gently and use clean tools when harvesting to reduce damage. After harvest, remove spent crop debris and record useful observations about the weather, harvest quality and care provided. These notes help you plan the next season around the conditions in your own garden. Maintain consistent moisture during germination and growth. Water gently to avoid moving the small seeds, then adjust watering to rainfall and heat. Check below the surface: soil that looks dry on top may still be moist underneath. Prolonged drought reduces leaf quality. Check containers more frequently because sun and wind quickly dry the potting mix. Check the centre as well as the outer leaves, particularly when temperatures rise. Even varieties with relative bolting resistance eventually need harvesting. Pick according to head or leaf development, and renew sowings when cool weather returns rather than expecting every plant to remain tender indefinitely.

Container growing

A garden,within reach.

The supplier describes a height of about 25 cm. The pale heart contrasts with green outer leaves and provides a tender portion for salads. Container growing brings lettuce closer to the kitchen and makes its development easy to monitor. Choose a pot or planter with drainage holes and a potting mix suitable for vegetables. Give plants enough room for their leaves to develop without overcrowding. Sun and wind can dry containers quickly; check moisture before watering and make sure excess water drains away. Direct sowing is straightforward if the surface stays moist at first. Then thin seedlings according to the type of lettuce being grown. In hot weather, check the leaves and growing centre: upward elongation can signal bolting. Successive sowings in several containers replace harvested plants without relying on a single batch. The variety’s size influences the arrangement, but even small lettuce needs room and consistent watering. Success depends on available root space, light and consistent care. Allow space for the particular lettuce habit, whether a head or loose rosette, instead of crowding every young plant into the same pot. Check the growing centre during hot weather, harvest before bolting and plan another sowing when local conditions become suitable again.
Romaine Lettuce 'Parris Island Cos' Seeds — Organic

Bloom and dimensions

Its place,in your garden.

Days to maturity

Approximately 75 days; an estimate

Harvest

Cut the head at its base just below the lower leaves. Do not wait for bolting, even though the variety resists it relatively well: the flower stalk marks changes in texture and flavour.

Recipe idea

From the gardento your plate.

Edible parts

Leaves
Chop the romaine for a homemade Caesar salad or use the leaves with crisp vegetables. A light dressing preserves the contrast between the tender heart and outer leaves. Wash the harvested vegetables thoroughly before preparing them, and use clean utensils. Start with a simple recipe so you can appreciate this variety’s texture and flavour. Herbs, onion or a light dressing can complement the vegetable without masking its flavour. Adjust cutting and cooking to the size you have harvested rather than following one rule for every vegetable. For a complete meal, combine the harvest with ingredients you already enjoy: grains, legumes, other vegetables or a source of protein. Prepare the amount needed for the meal and refrigerate any cut vegetables. For longer-term food preservation, use a tested recipe and follow its exact proportions and processing instructions. Use the outer leaves for crisp pieces and separate the creamy-white heart more gently in a Caesar salad.

Frequently asked questions

Your questions,answered.

When should I sow Parris Island Cos lettuce in Quebec?
Sow as soon as the spring soil can be worked, 3 mm deep in rows 45 cm apart. Thin plants to 30 cm apart. Repeat sowing every two weeks while conditions remain favourable and cool. In Quebec and elsewhere in Canada, sow lettuce chiefly when the soil can be worked and the weather remains cool. Loose, well-drained soil enriched with organic matter supports steady root growth. Small seeds need gentle watering to stay in place and avoid drying during germination. Thin seedlings before they compete strongly with one another. Give the romaine heads enough spacing to develop and keep soil moisture consistent as temperatures rise.
What makes Parris Island Cos lettuce distinctive?
Organic 'Parris Island Cos' is a romaine lettuce with emerald-green leaves surrounding a creamy-white heart. Its elongated habit and crisp texture suit salads where the leaves need to hold their shape. The supplier describes resistance to bolting and tolerance of summer warmth. This adds another romaine option to the garden while still requiring close attention to watering during hot weather. The supplier describes a height of about 25 cm. The pale heart contrasts with green outer leaves and provides a tender portion for salads. These organic seeds allow you to grow the characteristics described for this product in your own garden.
Can I grow Parris Island Cos lettuce in a container?
The supplier describes a height of about 25 cm. The pale heart contrasts with green outer leaves and provides a tender portion for salads. Container growing brings lettuce closer to the kitchen and makes its development easy to monitor. Choose a pot or planter with drainage holes and a potting mix suitable for vegetables. Give plants enough room for their leaves to develop without overcrowding. Sun and wind can dry containers quickly; check moisture before watering and make sure excess water drains away. Allow space for the particular lettuce habit, whether a head or loose rosette, instead of crowding every young plant into the same pot.
How should I harvest and prepare Parris Island Cos lettuce?
Cut the head at its base just below the lower leaves. Do not wait for bolting, even though the variety resists it relatively well: the flower stalk marks changes in texture and flavour. Chop the romaine for a homemade Caesar salad or use the leaves with crisp vegetables. A light dressing preserves the contrast between the tender heart and outer leaves. Lettuce is mainly eaten fresh, after careful washing and gentle drying. Pick what you need for the meal to enjoy the leaves’ texture. Use the outer leaves for crisp pieces and separate the creamy-white heart more gently in a Caesar salad.
How should I water Parris Island Cos lettuce?
Maintain consistent moisture during germination and growth. Water gently to avoid moving the small seeds, then adjust watering to rainfall and heat. Check below the surface: soil that looks dry on top may still be moist underneath. Prolonged drought reduces leaf quality. Check containers more frequently because sun and wind quickly dry the potting mix. Preparing the soil with organic matter helps support lettuce growth. Adjust fertilizer to the soil’s actual fertility instead of routinely applying large amounts. Regular moisture supports leaf quality, while space and drainage allow the plants to grow without crowding or waterlogged roots. Keep drainage open as well as checking moisture; more water does not help roots sitting in saturated potting mix.