Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Columbia should be looked at to determine when it's possible to plant matricaria.

Planting Calendar for Matricaria

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

You can plant matricaria a little earlier in the year because they do well in moderate cold.

The earliest that you can plant matricaria in Columbia 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 matricaria and expect a good harvest is probably September. Any later than that and your matricaria may not have a chance to grow to maturity. You can get started a little bit earlier by starting your matricaria indoors.

Last Frost Date

The average date of last frost is March 15 in Columbia. In the coldest months of winter you can expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Columbia may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Columbia last frost occurs after March 15 be ready to protect your matricaria in the event of a surprise late frost.

USDA Zone Info for Columbia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Columbia

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