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When to Plant Bachelor Buttons in Longmont, 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.

By checking out the USDA zone info for Longmont it's possible to figure out when to plant bachelor buttons.


Planting Calendar for Bachelor Buttons

Frost tolerance for bachelor buttons: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Bachelor Buttons do well in moderate cold which means that you can plant them a little bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant bachelor buttons in Longmont 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 bachelor buttons and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bachelor buttons may not have a chance to grow to maturity. If you are starting your bachelor buttons indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Longmont is not always accurate and the actual date of last frost is different every year. Half of the time in Longmont you get surprised by a frost after April 15 so be sure to be ready to cover your bachelor buttons in the event of a surprise 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.