When to Plant Mustard in Milliken, CO

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Milliken should be reffered to in order to determine when it's a good idea to plant mustard.


Planting Calendar for Mustard

Frost tolerance for mustard: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Mustard are not cold tolerant which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant mustard in Milliken 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 mustard and expect a good harvest is probably August. Any later than that and your mustard may not have a chance to really do well. You can get started a little bit earlier by starting your mustard indoors.

Last Frost Date

The average date of last frost is April 15 in Milliken. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Milliken may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Milliken you get surprised by a frost after April 15 be ready to protect your mustard if you have a late frost.

USDA Zone Info for Milliken

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Milliken

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