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.

You can figure out when it's the best time to plant watercress in Wamego by using the USDA zone info.

Planting Calendar for Watercress

Frost tolerance for watercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant watercress a bit earlier in the year because they are barely cold tolerant.

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

The last month that you can plant watercress and expect a good harvest is probably August. If you wait any later than that and your watercress may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your watercress indoors.

Last Frost Date

The average date of last frost is April 15 in Wamego. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Wamego may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Wamego it frosts late in the year after April 15 so make sure that you are ready to protect your watercress in the event of a late frost.

USDA Zone Info for Wamego

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Wamego

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