When to Plant Anemone in Littleton, CO

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Littleton you should be able to figure out when it's a good idea to plant anemone.


Planting Calendar for Anemone

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

Since anemone are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than more sensitive plants.

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

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

Last Frost Date

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

Since the USDA zone info for Littleton is an average the actual date of last frost will vary from year to year. Since half of the time in Littleton you get a frost after April 15 be ready to protect your anemone if you have one of those late frosts.

USDA Zone Info for Littleton

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 Littleton

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