One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The USDA zone info for La Grange Park should be read to determine when you can plant hosta.

Planting Calendar for Hosta

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

Hosta can survive in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant hosta in La Grange Park 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 fully mature. 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

On average the last frost is on April 15 in La Grange Park. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for La Grange Park is an average the actual date of last frost will vary from year to year. Half of the time in La Grange Park you get surprised by a frost after April 15 so be sure to be ready to protect your hosta in the event of one of those late frosts.

USDA Zone Info for La Grange Park

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 La Grange Park

You may be interested in your other planting guides for La Grange Park.