When should I plant Trombetta Zucchini in Zone 7a?

Start Trombetta Zucchini seeds indoors around Mar 18. Transplant outdoors after Apr 29. Expect first harvest around Jun 3.

What is the last frost date for Zone 7a?

The average last spring frost date for Zone 7a is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Trombetta Zucchini in Zone 7a?

Yes. Trombetta Zucchini needs 60 days to harvest. Zone 7a has a 190-day growing season, which is sufficient. You can plant up to 6 successions.

Growing Trombetta Zucchini in Zone 7a

Zone 7a has mild winters and a long growing season — good conditions for Trombetta Zucchini. Last frost: Apr 15. First frost: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 18Oct 22

Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 3 weeks (up to 6x)

Zone7a

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest60

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

When to Plant Trombetta Zucchini in Zone 7a

Start Seeds Indoors: Mar 18

Start Trombetta Zucchini seeds indoors around Mar 18 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 4–10 days.

Transplant Outdoors: Apr 29

Transplant Trombetta Zucchini seedlings outdoors after Apr 29. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Jun 3

First harvest approximately Jun 3 (~35 days from transplant). Continue harvesting until first frost (Oct 22).

Fall Planting: Aug 13

For a fall harvest, plant Trombetta Zucchini around Aug 13 (10 weeks before first frost).

Trombetta Zucchini in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Trombetta Zucchini Garden

Track Trombetta Zucchini from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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