When should I plant Trombetta Zucchini in Zone 7b?

Start Trombetta Zucchini seeds indoors around Mar 13. Transplant outdoors after Apr 24. Expect first harvest around May 29.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Trombetta Zucchini in Zone 7b?

Yes. Trombetta Zucchini needs 60 days to harvest. Zone 7b has a 211-day growing season, which is sufficient. You can plant up to 7 successions.

Growing Trombetta Zucchini in Zone 7b

Zone 7b has mild winters and a long growing season — good conditions for Trombetta Zucchini. Last frost: Apr 10. First frost: Nov 7.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 13Nov 7

Season: Apr 10 – Nov 7 (211 days) · Succession: plant every 3 weeks (up to 7x)

Zone7b

Last FrostApr 10

First FrostNov 7

Season Length211 days

Days to Harvest60

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

When to Plant Trombetta Zucchini in Zone 7b

Start Seeds Indoors: Mar 13

Start Trombetta Zucchini seeds indoors around Mar 13 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 4–10 days.

Transplant Outdoors: Apr 24

Transplant Trombetta Zucchini seedlings outdoors after Apr 24. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: May 29

First harvest approximately May 29 (~35 days from transplant). Continue harvesting until first frost (Nov 7).

Fall Planting: Aug 29

For a fall harvest, plant Trombetta Zucchini around Aug 29 (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

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