When to Plant Monkey Flower in Leominster, MA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant monkey flower in Leominster should be determined by using the USDA zone info.


Planting Calendar for Monkey Flower

Frost tolerance for monkey flower: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since monkey flower do not do well in cold weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant monkey flower
Possibly ok, but a risky time to plant monkey flower
Probably not a good time to plant monkey flower

The earliest that you can plant monkey flower in Leominster 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 grow to maturity. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Leominster. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Leominster is just an average and the actual date of last frost is different every year. Since half of the time in Leominster last frost occurs after April 15 be ready to cover your monkey flower in the event of a surprise late frost.

USDA Zone Info for Leominster

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Leominster

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