One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant armeria in Upland can be figured out by looking at the USDA zone info.

Planting Calendar for Armeria

Frost tolerance for armeria:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Armeria do well in quite a bit of cold which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant armeria in Upland is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant armeria and expect a good harvest is probably October. Any later than that and your armeria may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your armeria indoors.

Last Frost Date

In Upland the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that USDA zone info for Upland is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Upland it frosts late in the year after January 31 so just be sure to be ready to protect your armeria if you have a surprise late frost.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Upland

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