Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 York should be read to determine when it's a good idea to plant chrysanthemums.

Planting Calendar for Chrysanthemums

Frost tolerance for chrysanthemums:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Chrysanthemums are barely cold tolerant which tells us that you can start planting them slightly earlier than other frost tender plants.

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

Last Frost Date

The average date of last frost is April 15 in York. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for York is not always accurate the actual date of last frost changes from year to year. Half of the time in York last frost occurs after April 15 so make sure that you are prepared to protect your chrysanthemums in the event of a surprise late frost.

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.