Trombetta Zucchini illustration

Trombetta Zucchini Growing Guide

Cucurbitaceae family

Days to Harvest60 days
SunlightFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)
Germination4-10 days
HardinessVery Tender
Germ. Temp85°F
Start Indoors4 weeks before last frost

Growth Stages

  1. Seedling
  2. Vining
  3. Flowering
  4. Fruiting / Harvest Ready

Planting Dates by Zone

ZoneStart IndoorsTransplantDirect SowHarvest
Zone 1aApr 27Jun 8Jun 8Jul 13
Zone 1bApr 27Jun 8Jun 8Jul 13
Zone 2aApr 17May 29May 29Jul 3
Zone 2bApr 27Jun 8Jun 8Jul 13
Zone 3aApr 24Jun 5Jun 5Jul 10
Zone 3bApr 17May 29May 29Jul 3
Zone 4aApr 7May 19May 19Jun 23
Zone 4bApr 3May 15May 15Jun 19
Zone 5aMar 31May 12May 12Jun 16
Zone 5bMar 31May 12May 12Jun 16
Zone 6aMar 31May 12May 12Jun 16
Zone 6bMar 18Apr 29Apr 29Jun 3
Zone 7aMar 18Apr 29Apr 29Jun 3
Zone 7bMar 13Apr 24Apr 24May 29
Zone 8aMar 8Apr 19Apr 19May 24
Zone 8bFeb 22Apr 5Apr 5May 10
Zone 9aFeb 20Apr 3Apr 3May 8
Zone 9bFeb 10Mar 24Mar 24Apr 28
Zone 10aJan 23Mar 6Mar 6Apr 10
Zone 10bDec 31Feb 11Feb 11Mar 18
Zone 11aDec 31Feb 11Feb 11Mar 18
Zone 11bDec 18Jan 29Jan 29Mar 5
Zone 12aDec 4Jan 15Jan 15Feb 19
Zone 12bDec 4Jan 15Jan 15Feb 19
Zone 13aDec 4Jan 15Jan 15Feb 19
Zone 13bDec 4Jan 15Jan 15Feb 19

Frequently Asked Questions

How long does it take to grow Trombetta Zucchini?

Trombetta Zucchini takes approximately 60 days from planting to harvest.

How much sun does Trombetta Zucchini need?

Trombetta Zucchini requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Trombetta Zucchini?

Plant Trombetta Zucchini at 1/sqft (12" apart) using square foot gardening spacing.

Can Trombetta Zucchini survive frost?

Trombetta Zucchini is frost-sensitive and should not be exposed to frost.

How long does Trombetta Zucchini take to germinate?

Trombetta Zucchini seeds germinate in 4-10 days at an optimal temperature of 85°F.

When should I start Trombetta Zucchini seeds indoors?

Start Trombetta Zucchini seeds indoors 4 weeks before your last frost date, then transplant 2 weeks after last frost.

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