The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Wapato you can determine when to plant armeria 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 cold which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant armeria in Wapato 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 armeria and expect a good harvest is probably September. If you wait any later than that and your armeria may not have a chance to really do well. If you are starting your armeria indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Wapato is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Wapato you get surprised by a frost after April 15 so make sure that you are prepared to protect your armeria in the event of one of those late frosts.

USDA Zone Info for Wapato

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Wapato

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