FrostCal

When to Plant Cauliflower in Vermont

In a typical Vermont location, start seeds indoors Mar 21 – Apr 4, then transplant outdoors Apr 25 – May 2. Across the state, the outdoor planting window starts as early as Apr 15 in Burlington and as late as May 6 in Morristown. For a fall crop, plant around Jul 25 – Aug 1.

Method Start indoors, then transplant
Days to maturity 55–85 days

Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Cauliflower Planting Dates by City

CityStart indoorsTransplantFall planting
BurlingtonMar 11 – Mar 25Apr 15 – Apr 22Aug 6 – Aug 13
South BurlingtonMar 11 – Mar 25Apr 15 – Apr 22Aug 6 – Aug 13
ColchesterMar 14 – Mar 28Apr 18 – Apr 25Aug 2 – Aug 9
RutlandMar 27 – Apr 10May 1 – May 8Jul 19 – Jul 26
Essex JunctionMar 14 – Mar 28Apr 18 – Apr 25Aug 2 – Aug 9
HartfordMar 21 – Apr 4Apr 25 – May 2Jul 28 – Aug 4
BenningtonMar 23 – Apr 6Apr 27 – May 4Jul 24 – Jul 31
BarreMar 28 – Apr 11May 2 – May 9Jul 21 – Jul 28
WillistonMar 11 – Mar 25Apr 15 – Apr 22Aug 6 – Aug 13
MontpelierMar 17 – Mar 31Apr 21 – Apr 28Jul 31 – Aug 7
St JohnsburyMar 25 – Apr 8Apr 29 – May 6Jul 25 – Aug 1
BrattleboroMar 26 – Apr 9Apr 30 – May 7Jul 23 – Jul 30
WinooskiMar 11 – Mar 25Apr 15 – Apr 22Aug 6 – Aug 13
Saint AlbansMar 13 – Mar 27Apr 17 – Apr 24Aug 3 – Aug 10
Middlebury (village)Mar 17 – Mar 31Apr 21 – Apr 28Jul 25 – Aug 1
Saint JohnsburyMar 25 – Apr 8Apr 29 – May 6Jul 25 – Aug 1
MorristownApr 1 – Apr 15May 6 – May 13Jul 20 – Jul 27
LyndonMar 25 – Apr 8Apr 29 – May 6Jul 25 – Aug 1
RockinghamMar 21 – Apr 4Apr 25 – May 2Jul 24 – Jul 31
NewportMar 26 – Apr 9Apr 30 – May 7Jul 22 – Jul 29

Showing the 20 most populous of 20 Vermont cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Vermont cities.

Frequently Asked Questions

When should I plant cauliflower in Vermont?

In a typical Vermont location, start seeds indoors Mar 21 – Apr 4, then transplant outdoors Apr 25 – May 2. Across the state, the outdoor planting window starts as early as Apr 15 in Burlington and as late as May 6 in Morristown. For a fall crop, plant around Jul 25 – Aug 1.

When is the last frost in Vermont?

The average last spring frost in Vermont ranges from April 29 in Burlington to May 20 in Morristown, based on NOAA 1991–2020 climate normals.

How long do cauliflower take to grow?

Cauliflower typically take 55–85 days from planting to harvest. Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Other Crops in Vermont

When to plant cauliflower in other states

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