Trombetta Zucchini illustration

Growing Trombetta Zucchini in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Trombetta Zucchini in this zone. Paskutinis šalnas: May 5. Pirmas šalnas: Oct 1.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 7Oct 1

Season: May 5 – Oct 1 (149 dienų) · Succession: plant every 3 weeks (up to 4x)

Zona4a
Paskutinis šalnasMay 5
Pirmas šalnasOct 1
Sezonas149 dienų
Derlius60 dienų
SaulėPilna Saulė

When to Plant Trombetta Zucchini in Zone 4a

Start Seeds Indoors: Apr 7

Start Trombetta Zucchini seeds indoors around Apr 7 (4 savaičių prieš paskutinį šalną). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: May 19

Transplant Trombetta Zucchini seedlings outdoors after May 19. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm tarpas). Harden off plants for a week before moving outside.

Harvest: Jun 23

First harvest approximately Jun 23 (~35 dienų from transplant). Continue harvesting until first frost (Oct 1).

Fall Planting: Jul 23

For a fall harvest, plant Trombetta Zucchini around Jul 23 (10 weeks before first frost).

Plan Your Garden Trombetta Zucchini

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

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