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.

In Bonner Springs you can estimate when it's the best time to plant scabiosa by referring to the USDA zone info.

Planting Calendar for Scabiosa

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

Scabiosa do well in moderate cold which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant scabiosa in Bonner Springs 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 scabiosa and expect a good harvest is probably September. Any later than that and your scabiosa may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your scabiosa indoors.

Last Frost Date

In Bonner Springs the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Bonner Springs is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Bonner Springs you get a frost after April 15 so make sure that you are ready to cover your scabiosa 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.