June is Zone 7's first full month of summer. The last frost is long past, days are at their longest, and the garden grows visibly every day. This is the month to succession-sow, mulch heavily, and start harvesting the crops you planted in March and April.
What June means in Zone 7
Zone 7 is a generous gardening zone: average annual minimum temperatures of 0 to 10°F mean winters are cold but rarely brutal, and the frost-free season stretches long enough for two full rounds of many crops. The frost-free season lasts about seven months, from late March into early November. The average last spring frost falls in the Mar 15–Apr 1 range and the average first autumn frost in the Nov 1–15 range — USDA zone averages, not exact dates, so check your local extension service before planting tender crops outside. Our planting calendar by ZIP turns them into a month-by-month plan.
By June, Zone 7 gardens are in full production: peas and lettuce are finishing, beans and squash planted in April and May are climbing, and tomatoes are flowering and setting fruit. With the average first frost still months away (Nov 1–15), June's job is maintenance — water, mulch, feed and weed — so the summer crops can do their best work, plus starting the fall brassicas that will mature in autumn.
June task list
- Mulch everything with 2–3 inches of straw or shredded leaves. 2. Water deeply and less often; shallow daily watering makes shallow roots. 3. Start fall brassicas indoors in mid-to-late June. 4. Pinch tomato suckers and tie plants to supports. 5. Watch for cucumber beetles, aphids and squash bugs. 6. Succession-sow beans and zucchini every two weeks.
What to start indoors now
Start fall brassicas indoors in mid-to-late June: broccoli (60–85 days), cauliflower (55–80 days) and cabbage (60–90 days) sown now will be ready to transplant in late July or early August, in time to mature before the first frost. Start Brussels sprouts indoors too — they need 80–100 days and taste better after a light frost. Start kale and Swiss chard indoors as well, or direct-sow them later, and start a second round of basil indoors for succession. Use clean pots and fresh seed-starting mix, give seedlings strong light, and keep the soil moist but never waterlogged. Work out exact sowing dates with the seed-starting calculator.
What to direct-sow outdoors
Direct sow a second round of green beans (50–65 days) in early June, and keep sowing zucchini and cucumbers until mid-June. Sow beets (50–70 days) and carrots (60–80 days) for autumn harvest, and sow okra (50–65 days) while the soil is hot. Sow a heat-tolerant lettuce in afternoon shade, and sow dill and cilantro for pickling cucumbers later in the summer. A last sowing of sweet corn (60–90 days) in early June can still mature in Zone 7's long season. Prepare the bed first — fork it over, remove weeds, rake it level — then sow thinly, water gently, and thin seedlings to the spacing in the table below.
What to transplant now
Transplant any remaining warm-season seedlings in early June at the latest — peppers, eggplant, basil and sweet potatoes all need the full summer to mature. Set out the celery seedlings started indoors in spring, keeping their soil consistently moist, and transplant fall lettuce seedlings into shady spots. Water transplants deeply and shade them for their first few days in June sun. Harden seedlings off for a week first, plant on a cloudy day or in the evening, water them in well, and mulch around — but not against — the stems.
What to harvest this month
June harvests are generous: peas finishing, lettuce and radishes, broccoli heads, and the first zucchini, cucumbers and green beans. The first tomatoes may start to colour by late June. Harvest in the cool morning for the crispest vegetables, and pick zucchini small and often. Strawberries (where grown) ripen this month, and the first herbs are ready to cut and dry. Harvest in the morning, when plants are cool and crisp, and pick little and often — regular picking keeps most vegetables producing.
Frost protection in Zone 7
Frost is not a June worry in Zone 7 — the average first frost is Nov 1–15 — but heat is. Mulch, deep watering and afternoon shade for lettuce are June's version of frost protection. If a freak cold night is forecast, frost cloth works, but it is rarely needed. The real risk now is a heatwave stressing young transplants, so water in the morning and shade new plantings for their first few days. When a cold night is forecast, water the soil in the afternoon, cover tender plants with frost cloth before sunset, and remove the covers in the morning. The Watering Calculator can help you time plantings around your frost dates.
Planting data for June in Zone 7
All figures below are broad published ranges from standard horticultural references, not exact figures — they vary by variety, climate and soil.
| Crop | Action this month | Days to maturity | Notes |
|---|---|---|---|
| Tomatoes | Fruit setting / first harvest | 60–85 | Water evenly to prevent blossom-end rot |
| Green beans | Succession sow + harvest | 50–65 | Pick often to keep vines producing |
| Broccoli | Start indoors for fall | 60–85 | Transplant out in late July |
| Zucchini | Harvest begins | 45–55 | Pick small for best flavour |
| Okra | Direct sow | 50–65 | Loves hot soil; pick pods young |
| Brussels sprouts | Start indoors | 80–100 | Taste better after light frost |
Browse the full planting calendar hub for every Zone 7 month, and see the neighbouring months in this zone:
Frequently asked questions
What should I plant in June in Zone 7?
Succession-sow green beans, zucchini and cucumbers, sow beets, carrots and okra, and start fall broccoli, cauliflower, cabbage and Brussels sprouts indoors. Transplant any remaining peppers, eggplant or sweet potatoes in early June.
What can I harvest in June in Zone 7?
Peas, lettuce, radishes, broccoli, the first zucchini, cucumbers and green beans, and the first tomatoes by late June. Harvest in the cool morning for the crispest vegetables.
When do tomatoes ripen in Zone 7?
Tomatoes transplanted in April usually start ripening in late June or July, since they need 60–85 days to mature. Pick fruit as it colours and water evenly — irregular watering causes blossom-end rot.
How often should I water in June in Zone 7?
Water deeply two or three times a week rather than a little every day, and water in the morning so leaves dry before night. Mulch helps enormously — 2–3 inches of straw keeps soil moisture steady.
When do I start fall crops in Zone 7?
Start fall brassicas indoors in mid-to-late June, for transplanting in late July or early August. Direct-sow fall carrots, beets and spinach in July and August.