The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Gardiner can be reffered to in order to estimate when you can plant scabiosa.

Planting Calendar for Scabiosa

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

Scabiosa are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant scabiosa in Gardiner 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. If you wait any later than that and your scabiosa may not have a chance to fully mature. Starting your scabiosa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Gardiner the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Gardiner is an average the actual date of last frost changes from year to year. Half of the time in Gardiner 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 Gardiner

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Gardiner

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