What to Plant in June
Charleston, SC · Zone 8b
Last frost: Mar 5
Frost-free days: 265
The garden is established and growing fast. Focus on succession planting, keeping up with watering, and starting fall-season crops indoors if your first frost comes early.
June at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Today
Start Indoors 21
Start these seeds indoors under grow lights or on a sunny windowsill.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Lavender
Jan 1 – Dec 31
1 per sq ft
90–120 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Oregano
Jan 1 – Dec 31
1 per sq ft
60–90 days
Rosemary
Jan 1 – Dec 31
1 per sq ft
80–120 days
Sage
Jan 1 – Dec 31
1 per sq ft
75–90 days
Thyme
Jan 1 – Dec 31
4 per sq ft
70–90 days
Artichoke
Jan 1 – Dec 31
1 per sq ft
85–100 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Sunflower
Jan 1 – Dec 31
1 per sq ft
70–100 days
Squash
Jan 24 – Jul 16
1 per sq ft
45–65 days
Zucchini
Jan 24 – Jul 23
1 per sq ft
45–60 days
Cucumber
Feb 22 – Jul 8
2 per sq ft
50–70 days
Growing guide
Okra
Mar 1 – Jun 23
1 per sq ft
50–65 days
Melon
Mar 9 – Jun 8
½ per sq ft
70–90 days
Watermelon
Mar 9 – Jun 8
¼ per sq ft
70–90 days
Basil
Mar 24 – Jul 8
4 per sq ft
25–35 days
Brussels Sprouts
May 17 – Dec 31
1 per sq ft
80–110 days
Parsley
Jun 9 – Dec 31
4 per sq ft
70–90 days
Transplant 26
Move these seedlings from indoors to your garden beds.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Lavender
Jan 1 – Dec 31
1 per sq ft
90–120 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Oregano
Jan 1 – Dec 31
1 per sq ft
60–90 days
Parsley
Jan 1 – Jun 23
4 per sq ft
70–90 days
Rosemary
Jan 1 – Dec 31
1 per sq ft
80–120 days
Sage
Jan 1 – Dec 31
1 per sq ft
75–90 days
Thyme
Jan 1 – Dec 31
4 per sq ft
70–90 days
Artichoke
Jan 1 – Dec 31
1 per sq ft
85–100 days
Kale
Jan 1 – Jun 23
1 per sq ft
50–65 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Sunflower
Jan 1 – Dec 31
1 per sq ft
70–100 days
Swiss Chard
Jan 1 – Jun 23
4 per sq ft
50–60 days
Pumpkin
Feb 15 – Jun 15
¼ per sq ft
85–120 days
Squash
Feb 15 – Aug 8
1 per sq ft
45–65 days
Tomato
Feb 15 – Jul 16
1 per sq ft
65–80 days
Growing guide
Zucchini
Feb 15 – Aug 16
1 per sq ft
45–60 days
Cucumber
Mar 17 – Jul 31
2 per sq ft
50–70 days
Growing guide
Eggplant
Mar 17 – Jul 8
1 per sq ft
70–90 days
Pepper
Mar 17 – Jul 8
1 per sq ft
60–100 days
Growing guide
Melon
Apr 9 – Jul 8
½ per sq ft
70–90 days
Okra
Apr 9 – Jul 31
1 per sq ft
50–65 days
Watermelon
Apr 9 – Jul 8
¼ per sq ft
70–90 days
Basil
May 9 – Aug 23
4 per sq ft
25–35 days
Direct Sow 9
Plant these seeds directly into the soil outdoors.
Beet
Jan 1 – Jun 23
9 per sq ft
50–70 days
Carrot
Jan 1 – Jul 16
16 per sq ft
70–80 days
Garlic
Jan 1 – Dec 31
9 per sq ft
180–240 days
Potato
Jan 1 – Jul 16
1 per sq ft
70–150 days
Turnip
Jan 1 – Jun 23
9 per sq ft
30–60 days
Dill
Feb 22 – Jul 16
4 per sq ft
40–60 days
Beans (Bush)
Feb 22 – Aug 8
9 per sq ft
50–60 days
Corn
Feb 22 – Jul 8
1 per sq ft
60–100 days
Sweet Potato
Feb 22 – Jun 8
1 per sq ft
90–120 days
June Gardening Tips
- Start Cucumber, Squash, Zucchini indoors now to give them a head start before transplanting outside.
- Tomato, Pepper, Cucumber can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Corn, Beans (Bush), Carrot straight into the garden — no transplanting needed.
- Water deeply but less often to encourage deep root growth. Morning watering reduces disease risk.
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