One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when it's the best time to plant didiscus is to examine the USDA zone info for Caledonia.

Planting Calendar for Didiscus

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

Since didiscus do ok in moderate cold you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant didiscus in Caledonia 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 didiscus and expect a good harvest is probably August. Any later than that and your didiscus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your didiscus indoors.

Last Frost Date

On average the last frost is on April 15 in Caledonia. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Caledonia is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Caledonia you get a frost after April 15 be ready to cover your didiscus if you have a surprise late frost.

USDA Zone Info for Caledonia

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 Caledonia

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