One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Sussex you can determine when to plant snow-in summer by referring to the USDA zone info.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snow-in Summer tend to make it in a little bit of cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant snow-in summer in Sussex is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant snow-in summer and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to really do well. You can get started a little bit earlier by starting your snow-in summer indoors.

Last Frost Date

The average date of last frost is April 15 in Sussex. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Sussex is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Sussex there is a last frost after April 15 so make sure that you are ready to protect your snow-in summer in the event of one of those late frosts.

USDA Zone Info for Sussex

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sussex

You may be interested in your other planting guides for Sussex.