The USDA Zone info is a great tool for gardeners to help us determine 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 first chance to plant canna in York can be determined by looking at the USDA zone info.

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 tells us 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 York 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 really do well. You can get started a few weeks earlier by starting your canna indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in York. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for York is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in York it frosts late in the year after April 15 so make sure that you are prepared to cover your canna in the event of one of those late frosts.

USDA Zone Info for York

Here is the info for USDA Zone 5b.

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

Plants to Grow in York

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