One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's possible to plant hosta is to consult the USDA zone info for Union City.

Planting Calendar for Hosta

Frost tolerance for hosta:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Hosta are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant hosta in Union City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant hosta and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hosta may not have a chance to grow to maturity. If you are starting your hosta indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Union City. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Union City is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Union City there is a last frost after April 15 so just be sure to be ready to protect your hosta in the event of a surprise late frost.

USDA Zone Info for Union City

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 Union City

You may be interested in your other planting guides for Union City.