When to Plant Coleus in Erie, 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.

A common way of making a decision about when you can plant coleus is to consult the USDA zone info for Erie.


Planting Calendar for Coleus

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

You should not plant coleus until after all chance of frost has passed because they are not cold tolerant.

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

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

Last Frost Date

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

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Erie and it will vary from year to year. Since half of the time in Erie it frosts late in the year after April 15 be ready to cover your coleus in the event of a surprise late frost.

USDA Zone Info for Erie

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 Erie

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