One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You should be able to figure out when it's the best time to plant scabiosa by looking at the USDA zone info for Gillette.

Planting Calendar for Scabiosa

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

You can plant scabiosa a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant scabiosa in Gillette 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 scabiosa and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scabiosa may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your scabiosa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Gillette. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Gillette is an average the actual date of last frost is different every year. Half of the time in Gillette you get surprised by a frost after May 15 so just be sure to be ready to protect your scabiosa if you have one of those late frosts.

USDA Zone Info for Gillette

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Gillette

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