When to Plant Pentas in Parker, CO

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

The earliest that you can plant pentas in Parker should be figured out by looking at the USDA zone info.


Planting Calendar for Pentas

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

You can not plant pentas until after all chance of frost has passed because they require warm weather.

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

The earliest that you can plant pentas in Parker 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 pentas and expect a good harvest is probably August. Any later than that and your pentas may not have a chance to really do well. Starting your pentas indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Parker is just an average and the actual date of last frost will vary from year to year. Half of the time in Parker it frosts late in the year after April 15 so be sure to be ready to protect your pentas in the event of one of those late frosts.

USDA Zone Info for Parker

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 Parker

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