Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lander you can estimate when it's the best time to plant osteospermum by looking at 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.

Since osteospermum are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant osteospermum in Lander 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 really do well. Starting your osteospermum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Lander. In the coldest months of winter you should expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Lander is just an average and the actual date of last frost will vary from year to year. Since half of the time in Lander it frosts late in the year after April 15 be ready to protect your osteospermum in the event of a late frost.

USDA Zone Info for Lander

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Lander

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