One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Winchester you can estimate when to plant anchusa by reviewing the USDA zone info.

Planting Calendar for Anchusa

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

Since anchusa are very cold tolerant you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant anchusa in Winchester 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 anchusa and expect a good harvest is probably September. Any later than that and your anchusa may not have a chance to fully mature. Starting your anchusa indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Winchester. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Winchester is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Winchester it frosts late in the year after April 15 so make sure that you are ready to protect your anchusa if you have one of those late frosts.

USDA Zone Info for Winchester

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Winchester

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