Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Woburn it's possible to determine when it's possible to plant blue lace flowers.

Planting Calendar for Blue Lace Flowers

Frost tolerance for blue lace flowers:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant blue lace flowers slightly earlier in the year because they do ok in moderate cold.

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

Last Frost Date

On average the last frost has passed is on April 15 in Woburn. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Woburn may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Woburn you get surprised by a frost after April 15 be ready to cover your blue lace flowers if you have one of those late frosts.

USDA Zone Info for Woburn

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 Woburn

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