One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's the best time to plant cucumbers is to look at the USDA zone info for Herndon.

Planting Calendar for Cucumbers

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

Cucumbers are not cold tolerant 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 cucumbers in Herndon 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 cucumbers and expect a good harvest is probably August. Any later than that and your cucumbers may not have a chance to grow to maturity. If you are starting your cucumbers indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Herndon. It might get as low as 0°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Herndon and it changes from year to year. Since half of the time in Herndon you get a frost after April 15 be ready to protect your cucumbers if you have a surprise late frost.

USDA Zone Info for Herndon

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Herndon

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