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HELP! Need to revitalize Square Foot Garden
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OhioGardener
vanclan
6 posters
Page 1 of 1
HELP! Need to revitalize Square Foot Garden
Set up my SQF garden in 2010. Made Mel's Mix exactly as indicated and followed guidelines in the book. Absolutely amazing results for a few years. Each year I would add a bit more Mel's mix and sometimes some extra compost. Last couple of years results have been much less Unless it is an established plant (my kale and collards overwintered and took off as usual) New plants (and or seeds) just don't seem to have much oomph... Have also used a bit of liquid fish fertilizer as desperation set in. Want to have better results this year. What should I do? (I've loaned my book out and can't retrieve it right now)
vanclan- Posts : 3
Join date : 2012-04-09
Location : Southwestern Ontario
Re: HELP! Need to revitalize Square Foot Garden
Hi, VanClan, and welcome to the fourms! Glad to see you here. Sounds like your plants are suffering from an inadequate source of nutrients. The normal "refresh" process is to add more compost rather than more MM. Continually adding MM will lead to a heavy presence of peat & vermiculite, which provides no plant nutrient. I would probably remove the top 2 or 3 inches of the current soil, and replace it with a blend of rich compost. The new compost should be a mixture of at least a couple type of composted manure, such as chicken or cow, along with things like mushroom compost or cottonseed meal compost.
"In short, the soil food web feeds everything you eat and helps keep your favorite planet from getting too hot. Be nice to it." ~ Diane Miessler, "Grow Your Soil"
Thanks!
That would be really easy to do...as I probably have enough space to simply add the compost on top. I have home made compost and can easily buy sheep and cow composted manure. I think I have some worm compost to add to the mix. Do I simply put it on top or mix it in with the existing "soil" in the garden? Unfortunately, there are weeds in the existing "soil" but even the weeds weren't doing very well!
vanclan- Posts : 3
Join date : 2012-04-09
Location : Southwestern Ontario
Re: HELP! Need to revitalize Square Foot Garden
My preference would be to pull as many weeds as possible and then just put the new compost on top and plant into it - disturb the weed seeds in the existing soil as little as possible. Others would recommend working the new compost into to the top few inches of the existing soil. So, it is mostly what you would be more comfortable with. I have practiced no-till gardening for a number of years with excellent results.
The composts you mention, including the home made, would excellent choices, too! If you can mix worm castings for about 10% of the total new compost, you would have a very rich mixture that the plants will love.
The composts you mention, including the home made, would excellent choices, too! If you can mix worm castings for about 10% of the total new compost, you would have a very rich mixture that the plants will love.
"In short, the soil food web feeds everything you eat and helps keep your favorite planet from getting too hot. Be nice to it." ~ Diane Miessler, "Grow Your Soil"
So Helpful...
I think I like the idea of pulling any evident weeds and putting it on top. I've tried the mixing in with less than stellar results. (however this time I'll be adding more compost than before.) Unfortunately the home made compost won't be weed free, although I don't knowingly put weeds into the compost pile.
I'm also thinking to try and start some new collard/kale plants and pull the old ones. They have performed well for two or three seasons, but I don't know whether I want to risk pushing them for another season.
So appreciate your help and advice. I don't know anyone else in the area using SFG so your advice is a gold mine. Any other tips are always appreciated.
I'm also thinking to try and start some new collard/kale plants and pull the old ones. They have performed well for two or three seasons, but I don't know whether I want to risk pushing them for another season.
So appreciate your help and advice. I don't know anyone else in the area using SFG so your advice is a gold mine. Any other tips are always appreciated.
Last edited by vanclan on 3/10/2021, 10:17 am; edited 1 time in total (Reason for editing : added info)
vanclan- Posts : 3
Join date : 2012-04-09
Location : Southwestern Ontario
sanderson likes this post
Re: HELP! Need to revitalize Square Foot Garden
I wouldn't worry too much about weed seeds in the home made compost. If the composting process got hot enough, it would have killed a lot of the seeds. Even if it did not get hot enough to kill the seeds, one of the benefits of planting in compost is that it is very easy to pull out young weed seedlings when they sprout, and soon the bed will be weed free. One of the reasons I don't till or dig into the soil is because that leaves buried weed seeds buried where they can't germinate.
"In short, the soil food web feeds everything you eat and helps keep your favorite planet from getting too hot. Be nice to it." ~ Diane Miessler, "Grow Your Soil"
sanderson likes this post
Re: HELP! Need to revitalize Square Foot Garden
Hi Vanclan, Welcome to the Forum!vanclan wrote:Set up my SQF garden in 2010. Made Mel's Mix exactly as indicated and followed guidelines in the book. Absolutely amazing results for a few years. Each year I would add a bit more Mel's mix and sometimes some extra compost. Last couple of years results have been much less Unless it is an established plant (my kale and collards overwintered and took off as usual) New plants (and or seeds) just don't seem to have much oomph... Have also used a bit of liquid fish fertilizer as desperation set in. Want to have better results this year. What should I do? (I've loaned my book out and can't retrieve it right now)

I hope this helps.
vanclan and Chuck d'Argy like this post
Re: HELP! Need to revitalize Square Foot Garden
I just read in the 3rd edition SFG book, that the life expectancy of Mel's Mix is up to 10 years. Then you need to "...mix a new batch to refill the boxes." In my book it's on page 169, chap 9 Maintaining Your Square Foot Garden. I just read that about 15 minutes ago.
Chuck d'Argy- Posts : 76
Join date : 2021-05-04
Location : Western Pennsylvania
Re: HELP! Need to revitalize Square Foot Garden
Chuck, Yes, the book does state that MM lasts about 10 years.
I would hate the idea of having to toss the MM and make a new batch at 74 years old. This is my theory alone: The peat moss breaks down in the aerobic environment of Mel's Mix, and the coarse vermiculite is broken into smaller pieces, therefore compacting from 2" (assuming 6" of original MM) to say 1" of vermiculite. That leaves theoretically 5" of composting material and 1" of vermiculite. My MM was starting to get heavy, like wet fine coffee grounds. Two years ago, I mixed in 1" of coarse vermiculite and it felt more like the original MM. This fall or next spring, I will mix in 1" of fluffed peat moss to make it fluffier again. Just me.
I would hate the idea of having to toss the MM and make a new batch at 74 years old. This is my theory alone: The peat moss breaks down in the aerobic environment of Mel's Mix, and the coarse vermiculite is broken into smaller pieces, therefore compacting from 2" (assuming 6" of original MM) to say 1" of vermiculite. That leaves theoretically 5" of composting material and 1" of vermiculite. My MM was starting to get heavy, like wet fine coffee grounds. Two years ago, I mixed in 1" of coarse vermiculite and it felt more like the original MM. This fall or next spring, I will mix in 1" of fluffed peat moss to make it fluffier again. Just me.
Chuck d'Argy likes this post
Re: HELP! Need to revitalize Square Foot Garden
I understand. At a mere 71 years old, I am creating a whole new garden in our house qe just moved into a year ago. So far I have mixed 5 cubic feet of Uline coarse vermiculite with of course, 5 feet of compost and peet moss. Getting ready to do another batch of probably the same size. Warning!!! Insider trading hint, buy Ibuprophen stock. Hehehe
Chuck d'Argy- Posts : 76
Join date : 2021-05-04
Location : Western Pennsylvania
sanderson likes this post
Re: HELP! Need to revitalize Square Foot Garden
Chuck d'Argy wrote:. . . Warning!!! Insider trading hint, buy Ibuprophen stock. Hehehe

Re: HELP! Need to revitalize Square Foot Garden
Vanclan and Chuck,
Welcome to the forum from Coastal North Carolina!!
You will get nothing but great advice and knowledge from the likes of Sanderson and Ohio Gardner and sooo many others.
Welcome to the forum from Coastal North Carolina!!
You will get nothing but great advice and knowledge from the likes of Sanderson and Ohio Gardner and sooo many others.
ralitaco-
Posts : 1312
Join date : 2010-04-04
Location : Hampstead, NC
sanderson and Chuck d'Argy like this post
jimmy cee
Certified SFG Instructor-
Posts : 2215
Join date : 2013-02-16
Age : 87
Location : Hatfield PA. zone 6b
sanderson likes this post
Re: HELP! Need to revitalize Square Foot Garden
jimmy cee wrote:If you are able to make compost tea, do it. However it best be compost that is well done with many proper items. The tea will revitalize like you would never have dreamed possible.
Captain Compost, what is that set up? Do you make your own compost tea or do you buy a "starter" pack?
ralitaco-
Posts : 1312
Join date : 2010-04-04
Location : Hampstead, NC

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