When to Plant Browallia in Lafayette, CO

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 browallia in Lafayette can be determined by checking out the USDA zone info.


Planting Calendar for Browallia

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

Browallia are not cold tolerant which tells us that you need to wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant browallia in Lafayette 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 browallia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your browallia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lafayette. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Lafayette and it is different every year. Since half of the time in Lafayette you get a frost after April 15 be ready to cover your browallia if you have a late frost.

USDA Zone Info for Lafayette

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 Lafayette

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