One of the best tools that you have as gardeners to help us figure out 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 earliest that you can plant pennisetum in Airway Heights can be estimated by checking out the USDA zone info.

Planting Calendar for Pennisetum

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

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

The earliest that you can plant pennisetum in Airway Heights 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 pennisetum and expect a good harvest is probably August. If you wait any later than that and your pennisetum may not have a chance to grow to maturity. Starting your pennisetum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Airway Heights. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Airway Heights is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Airway Heights there is a last frost after April 15 be ready to protect your pennisetum if you have a late frost.

USDA Zone Info for Airway Heights

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Airway Heights

You may be interested in your other planting guides for Airway Heights.