South Carolina is separate into three growing zone : Piedmont ( which is the compass north ) , central and coastal . Each zona has its own produce schedule based roughly on the United States Department of Agriculture hardiness zones , which is the average minimal temperature an area have during the wintertime . Because South Carolina has a soft clime , the growing time of year starts much earlier than areas in the upper Midwest or Northeast .

Piedmont

The Piedmont expanse – from Edgefield , Fairfield and Lancaster counties north – is in hardiness zona seven , which means the average minimum temperature ranges from zero to 10 degrees F. Planting should begin in other February for cool - know vegetable – such as asparagus , loot , mustard , pea , radishes and spinach . For less - stout vegetable – such as snap bean , eggplant , onion , angelic corn and tomatoes – begin planting in March .

For descent harvests , veggie such as broccoli , carrots and cauliflower can be found in July and August , according to Charlie Nardozzi of the National Garden Association . The elision are spinach , onions and ail , which are found in September .

Central

For the central part of South Carolina – in the south from Aiken County to Allendale County – the hardiness zone is eight , which means the modal minimum temperature range from 10 to 20 degree . Cool - loving vegetables – such as asparagus , lucre and garden peas – can be imbed in recent January , while broccoli , onions and collard greens can be planted get down in February , accord to Clemson University Extension .

Spring planting for most other veggie begin in former April . For gloam planting , okra , pea plant , Cucurbita pepo and watermelons should be planted in June and tomatoes , peppers and mad apple institute in July . Other vegetables , such as cucumbers and garlic are planted in August and September .

Coastal

The coastal area – which comprises the surface area to the south from Hampton county to the state ancestry – is a salmagundi of zone eight and zone nine , which has a minimal average temperature of 20 to 30 . Gardening begin much to begin with here with cool - season veg implant in former January and the bulk of give vegetable implant in the week before spring begin , harmonise to The Farm . A few vegetable – such as eggplant and lima bean – should be found in July for fall planting , while the majority of planting for a fall crop is done in August .

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