Lettuce Parris Island (Cos) is an annual cool-season Romaine variety named after an island off the South Carolina coast. This heirloom lettuce reaches 12" tall at maturity and can be harvested whole or as a cut-and-come-again type. Dark green leaves surround a creamy white heart, offering good flavor and texture to salads and sandwiches. Resistant to disease, this plant flourishes in the cool weather of fall and spring and will even grow in mild winters or a cold frame for winter harvesting. Lettuce is a low-maintenance addition to the vegetable garden, flourishing in full or partial sun with straw mulch and daily water.
Lettuce Parris Island (Cos) Selling Tips
Sell Lettuce Parris Island (Cos) to customers looking for a low-maintenance cool-weather vegetable for the garden or a container or cut-and-come-again lettuce. Customers will love the easy access to delicious salad all spring, summer, and fall. Lettuce flourishes in full or partial sun with just daily water. Enjoy crisp, flavorful, fresh produce all season for the price of one head of lettuce at the grocery store. Romaine offers dark green leaves well-suited to Caesar salads and sandwiches. Grow a hearty salad garden by pairing a few types of lettuce with Spinach, Beets, Broccoli, Cauliflower, Carrots, Cucumber, and Onions.
Coach Your Customer
1. Space plants 12" apart in well-drained soil in full or partial sun in early spring or late summer.
2. Water this plant daily. Use wood or straw mulch around the base of the plant to retain moisture and help prevent bolting.
3. Harvest the whole head at once or remove the outermost leaves several at a time.
4. Lettuce Parris Island (Cos) does well in mild winters or a cold frame for cold-weather harvesting.
General Growing Tips For Your Seedling Tray
For best results with Lettuce Parris Island (Cos), plant one seedling per 1801 cell or 4-inch container. Use a well-drained soil with a pH of 6.0-6.5, low feed (50-75 ppm N), and temperatures of 50-75 daytime and 40-55nighttime. Watch for aphids, whiteflies, slugs, and snails.
Flowering
This plant is grown for culinary use.
Pinching
This plant doesn't require pinching.
Spacing
Space containers to allow sunlight to penetrate to the base of each plant.
Height Control
We don't recommend using chemical growth regulators on vegetables.
Pests
You may see aphids, whiteflies, slugs, and snails.
Disease
This plant isn't prone to disease. Provide good airflow in your greenhouse and allow the soil to dry between watering.
Planting Lettuce Parris Island (Cos) Liners
We recommend planting Lettuce Parris Island (Cos) seedlings in 1801 cellpacks or 4-inch containers. Use a well-drained soil and center the seedling in the container or cell. Cell packs are ready for sale in 1-2 weeks, while 4-inch containers with more mature plants will take 4-5 weeks.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Lettuce Parris Island (Cos) Quick Reference Guide
4 Inch crop time
4-5 Weeks
Bloom Period
Fall, Spring
Habit
Upright
Height
10-12 Inches
Light
Full Sun, Partial Sun
Minimum Temp
40
Water Needs
Heavy, Moderate
Patented Plant
No
Current Availability
Current Availability
04-28-2025 (Week 18)
0
05-05-2025 (Week 19)
750
05-12-2025 (Week 20)
0
05-19-2025 (Week 21)
4,358
05-26-2025 (Week 22)
2,750
06-02-2025 (Week 23)
2,750
06-09-2025 (Week 24)
2,750
06-16-2025 (Week 25)
2,750
06-23-2025 (Week 26)
2,750
06-30-2025 (Week 27)
2,750
07-07-2025 (Week 28)
2,750
07-14-2025 (Week 29)
2,750
07-21-2025 (Week 30)
2,750
07-28-2025 (Week 31)
2,750
08-04-2025 (Week 32)
2,750
08-11-2025 (Week 33)
2,750
08-18-2025 (Week 34)
2,750
08-25-2025 (Week 35)
2,750
09-01-2025 (Week 36)
2,750
09-08-2025 (Week 37)
2,750
09-15-2025 (Week 38)
2,750
09-22-2025 (Week 39)
2,750
09-29-2025 (Week 40)
2,750
10-06-2025 (Week 41)
2,750
10-13-2025 (Week 42)
2,750
10-20-2025 (Week 43)
2,750
10-27-2025 (Week 44)
2,750
11-03-2025 (Week 45)
2,750
11-10-2025 (Week 46)
2,750
11-17-2025 (Week 47)
2,750
11-24-2025 (Week 48)
2,750
12-01-2025 (Week 49)
2,750
12-08-2025 (Week 50)
2,750
12-15-2025 (Week 51)
2,750
12-22-2025 (Week 52)
2,750
12-29-2025 (Week 01)
2,750
01-05-2026 (Week 02)
2,750
01-12-2026 (Week 03)
2,750
01-19-2026 (Week 04)
2,750
Lettuce Parris Island (Cos) is an annual cool-season Romaine variety named after an island off the South Carolina coast. This heirloom lettuce reaches 12" tall at maturity and can be harvested whole or as a cut-and-come-again type. Dark green leaves surround a creamy white heart, offering good flavor and texture to salads and sandwiches. Resistant to disease, this plant flourishes in the cool weather of fall and spring and will even grow in mild winters or a cold frame for winter harvesting. Lettuce is a low-maintenance addition to the vegetable garden, flourishing in full or partial sun with straw mulch and daily water.
Lettuce Parris Island (Cos) Selling Tips
Sell Lettuce Parris Island (Cos) to customers looking for a low-maintenance cool-weather vegetable for the garden or a container or cut-and-come-again lettuce. Customers will love the easy access to delicious salad all spring, summer, and fall. Lettuce flourishes in full or partial sun with just daily water. Enjoy crisp, flavorful, fresh produce all season for the price of one head of lettuce at the grocery store. Romaine offers dark green leaves well-suited to Caesar salads and sandwiches. Grow a hearty salad garden by pairing a few types of lettuce with Spinach, Beets, Broccoli, Cauliflower, Carrots, Cucumber, and Onions.
Coach Your Customer
1. Space plants 12" apart in well-drained soil in full or partial sun in early spring or late summer.
2. Water this plant daily. Use wood or straw mulch around the base of the plant to retain moisture and help prevent bolting.
3. Harvest the whole head at once or remove the outermost leaves several at a time.
4. Lettuce Parris Island (Cos) does well in mild winters or a cold frame for cold-weather harvesting.
General Growing Tips For Your Seedling Tray
For best results with Lettuce Parris Island (Cos), plant one seedling per 1801 cell or 4-inch container. Use a well-drained soil with a pH of 6.0-6.5, low feed (50-75 ppm N), and temperatures of 50-75 daytime and 40-55nighttime. Watch for aphids, whiteflies, slugs, and snails.
Flowering
This plant is grown for culinary use.
Pinching
This plant doesn't require pinching.
Spacing
Space containers to allow sunlight to penetrate to the base of each plant.
Height Control
We don't recommend using chemical growth regulators on vegetables.
Pests
You may see aphids, whiteflies, slugs, and snails.
Disease
This plant isn't prone to disease. Provide good airflow in your greenhouse and allow the soil to dry between watering.
Planting Lettuce Parris Island (Cos) Liners
We recommend planting Lettuce Parris Island (Cos) seedlings in 1801 cellpacks or 4-inch containers. Use a well-drained soil and center the seedling in the container or cell. Cell packs are ready for sale in 1-2 weeks, while 4-inch containers with more mature plants will take 4-5 weeks.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Lettuce Parris Island (Cos) Quick Reference Guide
4 Inch crop time
4-5 Weeks
Bloom Period
Fall, Spring
Habit
Upright
Height
10-12 Inches
Light
Full Sun, Partial Sun
Minimum Temp
40
Water Needs
Heavy, Moderate
Patented Plant
No
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-vegetable-1657202233.jpg "Click to enlarge Lettuce Parris Island (Cos) - Seedling Tray")
