When to Start Your Seeds Indoors

A compact summary of indoor seeding schedule.

Before the last frost.
By weeks.

10-12 weeks
before planting out

Leek, Early tomato

8-10 weeks
before planting out

Eggplant, Celery

6-8 weeks
before planting out

Onion, Pepper, Paprika, Chilli, Tomato, Thyme, Oregano, Parsley

4-6 weeks
before planting out

Cabbage, Cauliflower, Basil, Broccoli, Kale

3-4 weeks
before planting out

Lettuce, Watermelon, Endive, Pumpkin, Squash, Patisson, Cucumber, Melon, Sweet corn, Pak-Choi, Swiss Chard

10-12 weeks
before last frost

Onion, Parsley

8-10 weeks
before last frost

Cabbage, Kale

7-9 weeks
before last frost

Tomato, Lettuce

6-8 weeks
before last frost

Broccoli, Cauliflower, Eggplant, Swiss Chard

6 weeks
before last frost

Chilli, Paprika, Pepper

3-5 weeks
before last frost

Basil

2-3 weeks
before last frost

Cucumber

1-2 weeks
before last frost

Melon, Pumpkin, Squash, Watermelon