One of the first steps you take when you are figuring out 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.

You should be able to estimate when you can plant gazania by reviewing the USDA zone info for Aspen.

Planting Calendar for Gazania

Frost tolerance for gazania:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gazania do ok in very little cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gazania in Aspen 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 gazania and expect a good harvest is probably August. Any later than that and your gazania may not have a chance to grow to maturity. Starting your gazania 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 Aspen. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Aspen is an average and the actual date of last frost will vary from year to year. Half of the time in Aspen you get a frost after April 15 so make sure that you are prepared to cover your gazania in the event of a late frost.

USDA Zone Info for Aspen

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Aspen

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