Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Neptune Beach you should be able to estimate when it's a good idea to plant xerianthemum.

Planting Calendar for Xerianthemum

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

Since xerianthemum are one of those plants that can tolerate a tiny bit of cold weather you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant xerianthemum in Neptune Beach 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 xerianthemum and expect a good harvest is probably September. Any later than that and your xerianthemum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your xerianthemum indoors.

Last Frost Date

The average date of last frost is February 15 in Neptune Beach. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Neptune Beach is an average the actual date of last frost is different every year. Since half of the time in Neptune Beach you get surprised by a frost after February 15 be ready to protect your xerianthemum in the event of a surprise late frost.

USDA Zone Info for Neptune Beach

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Neptune Beach

You may be interested in your other planting guides for Neptune Beach.