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.

In Glasgow you can estimate when it's a good idea to plant browallia by using the USDA zone info.

Planting Calendar for Browallia

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

Browallia do not do well in cold weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant browallia in Glasgow 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. If you wait any later than that and your browallia may not have a chance to grow to maturity. If you are starting your browallia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Glasgow the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Glasgow may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Glasgow last frost occurs after April 15 be ready to protect your browallia if you have a late frost.

USDA Zone Info for Glasgow

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Glasgow

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