The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's a good idea to plant anchusa by referring to the USDA zone info for Hutchinson.

Planting Calendar for Anchusa

Frost tolerance for anchusa:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Anchusa are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them much earlier than more sensitive plants.

The earliest that you can plant anchusa in Hutchinson 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 anchusa and expect a good harvest is probably August. Any later than that and your anchusa may not have a chance to fully mature. You can get started a few weeks earlier by starting your anchusa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Hutchinson. It might get as low as -25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Hutchinson and it changes from year to year. Half of the time in Hutchinson it frosts late in the year after May 15 so always be ready to cover your anchusa if you have a surprise late frost.

USDA Zone Info for Hutchinson

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 Hutchinson

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