When to Plant Artichokes in Milliken, CO

One of the first steps you take when you are estimating 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.

One way of estimating when it's possible to plant artichokes is to examine the USDA zone info for Milliken.


Planting Calendar for Artichokes

Frost tolerance for artichokes: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Artichokes do ok in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant artichokes in Milliken 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 artichokes and expect a good harvest is probably September. If you wait any later than that and your artichokes may not have a chance to fully mature. You can get started a little bit earlier by starting your artichokes indoors.

Last Frost Date

The average date of last frost is April 15 in Milliken. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Milliken and it is different every year. Since half of the time in Milliken you get surprised by a frost after April 15 be ready to protect your artichokes in the event of a surprise 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.