One of the best tools that you have as gardeners to help us figure out 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.

It's a good idea to estimate when to plant osteospermum by referring to the USDA zone info for Farrell.

Planting Calendar for Osteospermum

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

Osteospermum tend to make it in mild cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant osteospermum in Farrell 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. You probably don't want to wait any later than that or else your osteospermum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your osteospermum indoors.

Last Frost Date

The average date of last frost is April 15 in Farrell. In the coldest months of winter you should expect an average low temperature of -10°F.

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

USDA Zone Info for Farrell

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Farrell

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