When to Plant Forget-Me-Not in Harlingen, TX

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

The first opportunity to plant forget-me-not in Harlingen can be estimated by looking at the USDA zone info.


Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant forget-me-not a little earlier in the year because they do well in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant forget-me-not
Possibly ok, but a risky time to plant forget-me-not
Probably not a good time to plant forget-me-not

The earliest that you can plant forget-me-not in Harlingen is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant forget-me-not and expect a good harvest is probably October. Any later than that and your forget-me-not may not have a chance to grow to maturity. You can get started a little bit earlier by starting your forget-me-not indoors.

Last Frost Date

In Harlingen the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Harlingen and it is different every year. Half of the time in Harlingen last frost occurs after February 15 so make sure that you are prepared to protect your forget-me-not in the event of a surprise late frost.

USDA Zone Info for Harlingen

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Harlingen

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