One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Osceola you will be able to determine when it's possible to plant iresene.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since iresene require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant iresene in Osceola 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 iresene and expect a good harvest is probably August. If you wait any later than that and your iresene may not have a chance to really do well. If you are starting your iresene indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Osceola the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Osceola is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Osceola you get a frost after April 15 so make sure that you are prepared to cover your iresene in the event of one of those late frosts.

USDA Zone Info for Osceola

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Osceola

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