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 USDA zone info for Altus should be looked at to figure out when you can plant argyranthemum.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant argyranthemum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant argyranthemum in Altus is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant argyranthemum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your argyranthemum may not have a chance to fully mature. You can get started a little bit earlier by starting your argyranthemum indoors.

Last Frost Date

The average date of last frost is April 15 in Altus. It might get as low as 5°F during the coldest months of winter.

Keep in mind that USDA zone info for Altus is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Altus it frosts late in the year after April 15 be ready to cover your argyranthemum in the event of one of those late frosts.

USDA Zone Info for Altus

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Altus

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