When should I plant Trombetta Zucchini in Zone 3a?

Start Trombetta Zucchini seeds indoors around Apr 24. Transplant outdoors after Jun 5. Expect first harvest around Jul 10.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Trombetta Zucchini in Zone 3a?

Yes. Trombetta Zucchini needs 60 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 2 successions.

Growing Trombetta Zucchini in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Trombetta Zucchini early indoors to maximize your harvest window. Sidste frost: May 22. Første frost: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 24Sep 12

Season: May 22 – Sep 12 (113 dage) · Succession: plant every 3 weeks (up to 2x)

Zone3a

Sidste frostMay 22

Første frostSep 12

Sæson113 dage

Høst60 dage

SolFuld Sol

When to Plant Trombetta Zucchini in Zone 3a

Start Seeds Indoors: Apr 24

Start Trombetta Zucchini seeds indoors around Apr 24 (4 uger før sidste frost). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Jun 5

Transplant Trombetta Zucchini seedlings outdoors after Jun 5. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Jul 10

First harvest approximately Jul 10 (~35 dage from transplant). Continue harvesting until first frost (Sep 12).

Fall Planting: Jul 4

For a fall harvest, plant Trombetta Zucchini around Jul 4 (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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Track Trombetta Zucchini from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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