One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Anamosa should be used to estimate when you can plant ornamental grasses.

Planting Calendar for Ornamental Grasses

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

You can plant ornamental grasses a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant ornamental grasses in Anamosa 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 ornamental grasses and expect a good harvest is probably August. Any later than that and your ornamental grasses may not have a chance to fully mature. If you are starting your ornamental grasses 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 Anamosa. You should expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Anamosa is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Anamosa there is a last frost after April 15 so be sure to be ready to protect your ornamental grasses if you have one of those late frosts.

USDA Zone Info for Anamosa

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Anamosa

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