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

A common way of getting a good idea when it's possible to plant argyranthemum is to refer to the USDA zone info for Altamonte Springs.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since argyranthemum are not cold tolerant it's important to wait until after the last frost before you can plant them.

The earliest that you can plant argyranthemum in Altamonte Springs 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 argyranthemum and expect a good harvest is probably September. Any later than that and your argyranthemum may not have a chance to really do well. Starting your argyranthemum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Altamonte Springs. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Altamonte Springs is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Altamonte Springs there is a last frost after February 15 so make sure that you are ready to cover your argyranthemum in the event of one of those late frosts.

USDA Zone Info for Altamonte Springs

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Altamonte Springs

You may be interested in your other planting guides for Altamonte Springs.