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 Rockport you can determine when it's a good idea to plant nasturtium by using the USDA zone info.

Planting Calendar for Nasturtium

Frost tolerance for nasturtium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nasturtium require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

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

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

Last Frost Date

The average date of last frost is February 15 in Rockport. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Rockport may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Rockport it frosts late in the year after February 15 be ready to cover your nasturtium in the event of a late frost.

USDA Zone Info for Rockport

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rockport

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