The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Festus can be looked at to estimate when it's a good idea to plant osteospermum.

Planting Calendar for Osteospermum

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

Since osteospermum are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant osteospermum in Festus 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 osteospermum and expect a good harvest is probably September. Any later than that and your osteospermum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your osteospermum indoors.

Last Frost Date

The average date of last frost is April 15 in Festus. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Festus is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Festus last frost occurs after April 15 be ready to cover your osteospermum in the event of a late frost.

USDA Zone Info for Festus

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Festus

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