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

In Zone 7b you can figure out when it's a good idea to plant nasturtium by reviewing the USDA zone info.

Planting Calendar for Nasturtium

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

Nasturtium are not cold tolerant which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant nasturtium in Zone 7b 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 nasturtium and expect a good harvest is probably August. Any later than that and your nasturtium may not have a chance to really do well. Starting your nasturtium indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 7b the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 7b may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 7b you get surprised by a frost after April 15 so make sure that you are prepared to cover your nasturtium if you have a late frost.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Zone 7b

You may be interested in your other planting guides for Zone 7b.