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.

You should be able to determine when it's the best time to plant hosta by looking at the USDA zone info for Crawfordsville.

Planting Calendar for Hosta

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

Hosta tend to make it in mild cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant hosta in Crawfordsville 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. If you wait any later than that and your hosta may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your hosta indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Crawfordsville. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Crawfordsville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Crawfordsville you get surprised by a frost after April 15 so be sure to be ready to cover your hosta in the event of a surprise late frost.

USDA Zone Info for Crawfordsville

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 Crawfordsville

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