The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Leeds it's a good idea to figure out when you can plant violas.

Planting Calendar for Violas

Frost tolerance for violas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Violas do well in cold which means that you can plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant violas in Leeds is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably September. Any later than that and your violas may not have a chance to really do well. If you are starting your violas indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Leeds. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Leeds is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Leeds you get surprised by a frost after April 15 be ready to protect your violas in the event of a surprise late frost.

USDA Zone Info for Leeds

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Leeds

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