Zone 7 area are common in the US ; every state except Louisiana and Florida contains Zone 7 gardens . The spring up season is long enough to grow a assortment of fruit and vegetables , and winter are not severe . Potatoesare one of the craw that will develop well in most Zone 7 garden .
Zone 7 Conditions
Zone 7 typically has a growing season of about 180 days . This works well for spud , which have maturity dates ramble from 75 to 120 days depending on the potpourri . The last frost day of the month is between late March and mid - April , while the first frost usually occurs in mid - November . Winter first gear ordinarily rank from 0 to 10 ° F ( -18 to -12 ° degree centigrade ) . Some Zone 7 areas see snow .
Local Conditions
No matter what your USDA Zone , local condition can extenuate temperature . A prominent organic structure of water such as a lake , for illustration , may make a difference of several degrees . High elevation can also involve winter Sir David Low . On the other mitt , cold air settles , so a Zone 7 garden in a vale may be colder than a Zone 7 garden a few hundred understructure up the side . natural elevation can also affect summer temperatures by 10 degrees or more .
Choosing Potato Varieties
gardener in Zone 7 can get betimes , mid - season or late varieties . There are some possible action :
Planting Potatoes in Spring
The key element in springiness planting is the date of the await last frost . Potato sprout and leaf are freeze - sensitive . If you are concerned about a late hoarfrost , then sprout , orchityour seed potatoes about four to six hebdomad prior to the await last hoarfrost escort . They should train sprouts and few leave-taking . Plant the sprouted potatoes two weeks prior to your expect last frost date .
Planting Potatoes in Summer
you’re able to usually set potatoes in former summer in Zone 7 . check that there is equal soil moisture and opt an early or mid - season miscellanea to allow them to mature . In hot summer country , this harvest may not do as well as spring - plant potatoes . If your region has potato beetles , a summer planting may make problem ; habituate rowing covering fire and organic mastery to deal with the insects .
Planting Potatoes in Fall
Some Zone 7 gardeners plant their spud in latefall . This can be a good strategy in areas with the Irish potato mallet , as the worm will go into hibernation before the potatoes pullulate . Do not chit the seed potatoes . Plant in a 12 - column inch trench half - filled with stinky leaves . The warmth will keep spud from freezing and they will shoot and produce in spring .