The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant salpiglossis in Atlantic can be estimated by checking out the USDA zone info.

Planting Calendar for Salpiglossis

Frost tolerance for salpiglossis:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since salpiglossis are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Atlantic is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant salpiglossis and expect a good harvest is probably August. If you wait any later than that and your salpiglossis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your salpiglossis indoors.

Last Frost Date

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

Since the USDA zone info for Atlantic is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Atlantic you get surprised by a frost after April 15 so make sure that you are prepared to protect your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Atlantic

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 Atlantic

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