One of the first steps you take when you are getting a good idea 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.

In Amarillo you can estimate when it's possible to plant strawflowers by looking at the USDA zone info.

Planting Calendar for Strawflowers

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

Strawflowers are barely cold tolerant which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

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

Last Frost Date

On average the last frost is on April 15 in Amarillo. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Amarillo may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Amarillo there is a last frost after April 15 be ready to cover your strawflowers if you have a late frost.

USDA Zone Info for Amarillo

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Amarillo

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