When to Plant Dusty Miller in Sterling, CO

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's possible to plant dusty miller by using the USDA zone info for Sterling.


Planting Calendar for Dusty Miller

Frost tolerance for dusty miller: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Dusty Miller do well in pretty solid cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant dusty miller in Sterling 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 dusty miller and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dusty miller may not have a chance to grow to maturity. Starting your dusty miller indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Sterling. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Sterling may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Sterling there is a last frost after April 15 so be sure to be ready to protect your dusty miller if you have a late frost.

USDA Zone Info for Sterling

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 Sterling

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