When to Plant Garlic in South Carolina: Counting Back From the First Frost
South Carolina gardeners set garlic cloves out from late October to mid-November, timed against NOAA’s fall frost data for the Charleston area.
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South Carolina gardeners set garlic cloves out from late October to mid-November, timed against NOAA’s fall frost data for the Charleston area.
Rhode Island’s garlic planting window runs early October to mid October, calculated from Providence’s NOAA fall frost normals and a six to eight week rooting period.
Prince Edward Island garlic goes in the ground in late September, timed against Charlottetown’s average October 17 first frost, arithmetic included.
Oregon’s frost timing and winter chill length decide which garlic varieties suit each region, from the Willamette Valley to the high desert plains.
Every cultivar in Prince Edward Island’s garlic catalogue shares a late-September planting window, timed against Charlottetown’s average first fall frost, giving cloves time to root before the ground freezes.
Explains which garlic varieties suit Pennsylvania’s cold winters, why hardneck and softneck both vernalize reliably here, and when to plant each type.
Pennsylvania’s fall planting window for garlic runs mid to late October, counted back from Philadelphia’s NOAA frost normals for early to mid November.
Quebec’s garlic planting window opens in mid-September, calculated back from the region’s average first fall frost, with adjustments for colder and milder districts.
Ontario garlic goes in the ground in late September, timed off Environment Canada’s average first fall frost near Toronto, not a fixed calendar date.
Oklahoma’s freezing winters exceed garlic’s cold requirement, so this page lists which softneck and hardneck varieties to plant and when to set them out.