Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant strawflowers in Bonner Springs should be determined by using 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.

Since strawflowers do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant strawflowers in Bonner Springs 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. Any later than that and your strawflowers may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your strawflowers indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Bonner Springs 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 Bonner Springs there is a last frost after April 15 be ready to cover your strawflowers in the event of one of those late frosts.

USDA Zone Info for Bonner Springs

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 Bonner Springs

You may be interested in your other planting guides for Bonner Springs.