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Replacing soil in flower bed

Posted on 3/26/19 at 1:08 pm
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/26/19 at 1:08 pm
This will be our first spring in this house, and we want to start totally fresh...it looks like the previous homeowners neglected the flower bed for years. We pretty much pulled all the weeds last weekend and now want to replace the soil and plant. A few questions:
1. I've read that after replacing soil, you should let soil sit before planting. Is this true? If so for how long? And I'm kinda curious...why?
2. How deep should I dig out the previous soil?
3. Is there a preferred kind of soil you guys use? (North Louisiana). I think we are going to top with mulch of that helps.
Lastly, any tips a first time planter should be armed with?
Thanks!
Posted by CoachChappy
Member since May 2013
32504 posts
Posted on 3/26/19 at 2:23 pm to
No need to replace the soil. For permanent plants, dug a large hole and full with vegetable gardening soil. For everything else, put down a nice thick layer of compost and till it in. Fertilize you plants as needed.

If you aren’t in a hurry, get a soil sample done.

If you dig down and hit clay within 6” then you may want to dig them out and replace with top soil
This post was edited on 3/26/19 at 2:25 pm
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/26/19 at 2:28 pm to
quote:

No need to replace the soil.


Really? It's a step we really don't mind. And figured it would be better. The only thing that's been planted in there for what appears to be years are three tiny bushes.... the flower bed itself was covered with a layer of really sunbleached pine straw, so obviously it's been there awhile.
Posted by HonoraryCoonass
Member since Jan 2005
18052 posts
Posted on 3/26/19 at 2:31 pm to
Don’t replace your soil......just amend what you already have, and you’ll be fine.
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/26/19 at 2:34 pm to
So I know it probably needs to be tilled... anything else I should do?
Posted by HonoraryCoonass
Member since Jan 2005
18052 posts
Posted on 3/26/19 at 3:14 pm to
Read labels. Select plants that fit your bed’s size and sun requirements.
Posted by Tigerroc
Member since Jun 2017
257 posts
Posted on 3/26/19 at 3:14 pm to
I just finished adding and raising my perennial flower beds. Worked it with shovel first then added spaghnum peat moss and my back yard composting and garden soil I bought. Mixed it all up in wheelbarrow and added to flower beds and turned it again to mix well and added Amaze preemergence herbicide. I know it’s a lot of work for 90 feet of flower beds. Consulted Dan Gill and advised to add organic matter to help stop rain and down spouts from flattening beds.
This post was edited on 3/26/19 at 4:31 pm
Posted by MBclass83
Baton Rouge
Member since Oct 2010
9345 posts
Posted on 3/26/19 at 4:58 pm to
Use Preen on weeded dirt. It will prevent weeds that start from seeds.
Posted by CoachChappy
Member since May 2013
32504 posts
Posted on 3/26/19 at 7:09 pm to
quote:

Really?

Really. Just till it and follow directions that I and everyone else have given. I can’t talk up mixing in compost enough though.
Posted by tigeroarz1
Winston-Salem, NC
Member since Oct 2013
3363 posts
Posted on 3/26/19 at 7:11 pm to
You don’t have to totally replace the soil. When you plant next buy “soil conditioner” and replace your planting hole with 50/50 mix of soil conditioner & native soil.
Posted by yccsmf
Member since Apr 2013
529 posts
Posted on 3/26/19 at 7:46 pm to
Find a landscape materials supplier in your area and tell them what you want to do. They will have everything you need (bed builder/pre emergent herbicide/fertilizer/mulch) and can probably give good advice if they’re staffed by people like I deal with in my area. DO NOT add top soil to your beds...all you’ll be doing is adding many more weeds/grass to the beds! Bedbuilder is the same mixture the plants grow in at the nursery...in my area it retails around $40-42 a yard.
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/27/19 at 9:31 am to
Ok....were gonna just till and add instead of totally replace. One possibly last question. There is a layer of mulch and pine straw that's basically part of the soil now. Should we be sure to remove as much of that as possible before we mix it up and put it back?
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
5289 posts
Posted on 3/27/19 at 9:50 am to
Till it in baw. Mulch adds microorganisms to the soil and pine mulch doesn't hurt or help anything. You're just asking for extra work trying to remove and rid of it.
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/27/19 at 10:04 am to
Thank the lord!!! Was really hoping I could just till it in!!
Posted by LSU0358
Member since Jan 2005
7915 posts
Posted on 3/27/19 at 12:20 pm to
Depends on what you are planning on soil type. And I wouldn't say you have to let it sit, just be prepared for it to settle the first 3 to 6 months, and adjust plant depth accordingly.

ETA: Go to Bailey's Bark Materials off of I49 for your soil if you need a cubic yard or more. 1 cubic yard of a 50/50 mix of pine park mulch and mushroom compost cost $35. I would have had to pay $130 plus for that much at Home Depot / Lowes.
This post was edited on 3/27/19 at 12:24 pm
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
5289 posts
Posted on 3/27/19 at 12:40 pm to
I added 12" of depth to my garden bed 2 years ago and it settled to about 7 or 8" by the end of the year.

Topped it back off this season.
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/27/19 at 1:11 pm to
Thanks for the tip, but 1 cubic yard may be way more than I need, but not sure.
Posted by Themole
Palatka Florida
Member since Feb 2013
5557 posts
Posted on 3/27/19 at 1:43 pm to
A cubic yard of material (soil) can be spread to cover 100 square feet (10×10 foot area) at 3 inches of depth.

You can use this as a gauge.
Posted by scott8811
Ratchet City, LA
Member since Oct 2014
11306 posts
Posted on 3/27/19 at 2:55 pm to
awesome...I'll measure the beds when I get home, but I feel like that's gonna be a lot for me.
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