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.

The earliest that you can plant canna in Hampstead should be figured out by reviewing the USDA zone info.

Planting Calendar for Canna

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

Canna require warm weather which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant canna in Hampstead 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 canna and expect a good harvest is probably August. If you wait any later than that and your canna may not have a chance to grow to maturity. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

In Hampstead the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Hampstead and it is different every year. Half of the time in Hampstead there is a last frost after April 15 so be sure to be ready to protect your canna if you have one of those late frosts.

USDA Zone Info for Hampstead

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 Hampstead

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