When to Plant Diascia in Mandeville, LA

One of the first steps you take when you are getting a good idea 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.

A common way of making a decision about when you can plant diascia is to use the USDA zone info for Mandeville.


Planting Calendar for Diascia

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

You can plant diascia a little bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant diascia in Mandeville 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 diascia and expect a good harvest is probably October. You probably don't want to wait any later than that or else your diascia may not have a chance to fully mature. You can get started a few weeks earlier by starting your diascia indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Mandeville. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Mandeville may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Mandeville there is a last frost after February 15 be ready to protect your diascia in the event of one of those late frosts.

USDA Zone Info for Mandeville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Mandeville

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