One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Muscatine should be looked at to determine when you can plant armeria.

Planting Calendar for Armeria

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

Since armeria do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant armeria in Muscatine 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. Any later than that and your armeria may not have a chance to grow to maturity. If you are starting your armeria indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Muscatine. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Muscatine may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Muscatine you get surprised by a frost after April 15 so just be sure to be ready to cover your armeria in the event of a surprise late frost.

USDA Zone Info for Muscatine

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Muscatine

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