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 earliest that you can plant osteospermum in Prospect Park should be figured out by checking out the USDA zone info.

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 some cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant osteospermum in Prospect Park 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. If you wait any later than that and your osteospermum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your osteospermum indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Prospect Park. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Prospect Park is an average the actual date of last frost is different every year. Since half of the time in Prospect Park last frost occurs after April 15 be ready to cover your osteospermum if you have a surprise late frost.

USDA Zone Info for Prospect Park

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Prospect Park

You may be interested in your other planting guides for Prospect Park.