How to Grow Iceberg Lettuce

Beginner 30 min 17 steps 925 views Rating: 4.8/5 Published: 2026-06-10

Plant the iceberg lettuce six to eight weeks before the last expected spring frost.. Plant iceberg lettuce seeds in a shallow seed tray.. Place the seed tray indoors in a sunny area.

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Steps

1

Plant the iceberg lettuce six to eight weeks before the last expected spring fro

Step 1

Plant the iceberg lettuce six to eight weeks before the last expected spring frost.

2

Plant iceberg lettuce seeds in a shallow seed tray.

Step 2

Plant iceberg lettuce seeds in a shallow seed tray.

3

Place the seed tray indoors in a sunny area.

Step 3

Place the seed tray indoors in a sunny area.

4

Keep the soil the seeds are planted in moist soil.

Step 4

Keep the soil the seeds are planted in moist soil.

5

Use scissors to cut the lettuce sprouts so there's only one per cell.

Step 5

Use scissors to cut the lettuce sprouts so there's only one per cell.

6

Let the lettuce grow indoors for six weeks.

Step 6

Let the lettuce grow indoors for six weeks.

7

Slowly acclimate the lettuce to being outside.

Step 7

Slowly acclimate the lettuce to being outside.

8

Dig 5 inch (12.7 cm) holes in a patch of your garden for each seedling.

Step 8

Dig 5 inch (12.7 cm) holes in a patch of your garden for each seedling.

9

Add a tablespoon of 5-10-10 fertilizer to each hole.

Step 9

Add a tablespoon of 5-10-10 fertilizer to each hole.

10

Water the seed tray before you transfer the lettuce seedlings.

Step 10

Water the seed tray before you transfer the lettuce seedlings.

11

Pull the outer leaves off the lettuce seedlings before you transfer them.

Step 11

Pull the outer leaves off the lettuce seedlings before you transfer them.

12

Plant the seedlings in the holes.

Step 12

Plant the seedlings in the holes.

13

Lightly water the lettuce seedlings.

Step 13

Lightly water the lettuce seedlings.

14

Water the lettuce three to four times a week to keep the soil moist.

Step 14

Water the lettuce three to four times a week to keep the soil moist.

15

Add a 2-3 inch (5.8-7.6 cm) layer of mulch over the soil around the lettuce.

Step 15

Add a 2-3 inch (5.8-7.6 cm) layer of mulch over the soil around the lettuce.

16

Apply a 5-10-10 fertilizer to the lettuce every three to four weeks.

Step 16

Apply a 5-10-10 fertilizer to the lettuce every three to four weeks.

17

Cut the lettuce at the soil line to harvest the head.

Step 17

Cut the lettuce at the soil line to harvest the head.

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