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When to Plant Watercress in Woodland Park, CO

The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Woodland Park you can determine when it's the best time to plant watercress by looking at 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.

Watercress are barely cold tolerant which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant watercress in Woodland Park 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. You probably don't want to wait any later than that or else your watercress may not have a chance to really do well. If you are starting your watercress indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Woodland Park. In the coldest months of winter you should expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Woodland Park may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Woodland Park there is a last frost after April 15 so make sure that you are ready to cover your watercress if you have a late frost.

USDA Zone Info for Woodland Park

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Woodland Park

You may be interested in your other planting guides for Woodland Park.