The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Metuchen you can figure out when it's the best time to plant salpiglossis by looking at the USDA zone info.

Planting Calendar for Salpiglossis

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

Since salpiglossis do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant salpiglossis in Metuchen 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 really do well. You can get started a little bit earlier by starting your salpiglossis indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Metuchen. In the coldest months of winter you should expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Metuchen is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Metuchen it frosts late in the year after April 15 so just be sure to be ready to cover your salpiglossis if you have a surprise late frost.

USDA Zone Info for Metuchen

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Metuchen

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