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.

In Lakeville you can figure out when it's a good idea to plant osteospermum 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.

You can plant osteospermum just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant osteospermum in Lakeville 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 osteospermum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your osteospermum may not have a chance to grow to maturity. If you are starting your osteospermum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Lakeville. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Lakeville may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Lakeville you get surprised by a frost after May 15 be ready to cover your osteospermum in the event of one of those late frosts.

USDA Zone Info for Lakeville

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Lakeville

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