Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when it's a good idea to plant monkey flower is to check out the USDA zone info for New Haven.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since monkey flower do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant monkey flower in New Haven is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant monkey flower and expect a good harvest is probably August. Any later than that and your monkey flower may not have a chance to fully mature. Starting your monkey flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in New Haven. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for New Haven may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in New Haven you get a frost after April 15 be ready to protect your monkey flower if you have one of those late frosts.

USDA Zone Info for New Haven

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 New Haven

You may be interested in your other planting guides for New Haven.