When to Plant Morning Glory in Golden, CO

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The first chance to plant morning glory in Golden can be figured out by using the USDA zone info.


Planting Calendar for Morning Glory

Frost tolerance for morning glory: Not tolerant of frost.
When to plant: After the last frost.

It's not a good idea to plant morning glory until after the last frost because they require warm weather.

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

The earliest that you can plant morning glory in Golden 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 morning glory and expect a good harvest is probably August. Any later than that and your morning glory may not have a chance to grow to maturity. If you are starting your morning glory indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Golden. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Golden is just an average the actual date of last frost will vary from year to year. Since half of the time in Golden there is a last frost after April 15 be ready to protect your morning glory in the event of one of those late frosts.

USDA Zone Info for Golden

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 Golden

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