The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Ottumwa you can determine when it's the best time to plant mexican feather grass by referring to the USDA zone info.

Planting Calendar for Mexican Feather Grass

Frost tolerance for mexican feather grass:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Mexican Feather Grass are moderately cold tolerant which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant mexican feather grass in Ottumwa 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 mexican feather grass and expect a good harvest is probably September. If you wait any later than that and your mexican feather grass may not have a chance to grow to maturity. You can get started a little bit earlier by starting your mexican feather grass indoors.

Last Frost Date

The average date of last frost is April 15 in Ottumwa. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Ottumwa and it can change quite a bit from year to year. Since half of the time in Ottumwa you get surprised by a frost after April 15 be ready to cover your mexican feather grass if you have one of those late frosts.

USDA Zone Info for Ottumwa

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 Ottumwa

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