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atom1505
Member since Aug 2016
200 posts

Fertilizing Flower Beds
I'm in SELA and have some boxwoods that have started growing a lot over the past couple of weeks. Seems early, but I think I'm going to go ahead and put down fertilizer this weekend. My landscape trees haven't started putting on leaves yet, though. Neither have my hydrangeas. When are you guys going to fertilize your beds?


CoachChappy
LSU Fan
Boudin Capitol of the World
Member since May 2013
24532 posts

re: Fertilizing Flower Beds
quote:

When are you guys going to fertilize your beds?

St. Patrick's Day. That's always close to the frost date in Louisiana


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
1260 posts

re: Fertilizing Flower Beds
February is good time to fertilize woody shrubs and trees in southern Louisiana, particularly if you are using a controlled release granular fertilizer, even if your deciduous trees and shrubs haven’t leafed out yet.

With controlled release fertilizers the nitrogen component, often urea, is coated with sulfur or a polymer to delay and extend the release of nitrogen over several months, as opposed to quick release vegetable fertilizers (8-8-8, 13-13-13). And I’m not referring to the expensive osmocote products used for container plants.

Might wait a bit longer, March, if fertilizing herbaceous perennial plants (e.g., daylitlies, salvias, etc.).


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hungryone
LSU Fan
river parishes
Member since Sep 2010
10458 posts

re: Fertilizing Flower Beds
quote:

St. Patrick's Day. That's always close to the frost date in Louisiana

That's way past the historic last date of frost on the southshore/zone 9B. It's more like Feb 15. This year, things are greening up extra early. Swamp maples have already sent out seeds, and the willows are leafed out. All of the live oaks in my area are shedding leaves...about two full weeks earlier than usual.


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