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.

The USDA zone info for Milton should be reffered to in order to estimate when it's a good idea to plant canna.

Planting Calendar for Canna

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

Canna are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant canna in Milton 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. You probably don't want to wait any later than that or else your canna may not have a chance to fully mature. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Milton. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Milton is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Milton there is a last frost after March 15 so make sure that you are prepared to protect your canna in the event of a late frost.

USDA Zone Info for Milton

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Milton

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