One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Romulus it's possible to figure out 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.

Since blue lace flowers do ok in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant blue lace flowers in Romulus 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 fully mature. You can get started a few weeks earlier by starting your blue lace flowers indoors.

Last Frost Date

The average date of last frost is April 15 in Romulus. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Romulus is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Romulus there is a last frost after April 15 so make sure that you are ready to cover your blue lace flowers in the event of one of those late frosts.

USDA Zone Info for Romulus

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 Romulus

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