The USDA Zone info is a great tool for gardeners to help us estimate 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.

A way of figuring out when it's possible to plant salpiglossis is to check out the USDA zone info for Hazleton.

Planting Calendar for Salpiglossis

Frost tolerance for salpiglossis:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since salpiglossis are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Hazleton 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. You probably don't want to wait any later than that or else your salpiglossis may not have a chance to grow to maturity. Starting your salpiglossis indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hazleton. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Hazleton is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hazleton it frosts late in the year after April 15 so make sure that you are ready to cover your salpiglossis if you have one of those late frosts.

USDA Zone Info for Hazleton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Hazleton

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