One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant mecardonia in Longmont can be determined by checking out the USDA zone info.

Planting Calendar for Mecardonia

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

You can not plant mecardonia until after the last frost has passed because they require warm weather.

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

Last Frost Date

In Longmont the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Longmont and it will vary from year to year. Half of the time in Longmont you get surprised by a frost after April 15 so always be ready to protect your mecardonia if you have a late frost.

USDA Zone Info for Longmont

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 Longmont

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