Square Foot Gardening Forum

Hello Guest!
Welcome to the official Square Foot Gardening Forum.
There's lots to learn here by reading as a guest. However, if you become a member (it's free, ad free and spam-free) you'll have access to our large vermiculite databases, our seed exchange spreadsheets, Mel's Mix calculator, and many more members' pictures in the Gallery. Enjoy.


Search
 
 

Display results as :
 

 


Rechercher Advanced Search

Latest topics
» CHALLENGE - Smallest possible footprint
by sfg4uKim Today at 1:19 pm

» Calcium and Magnesium Deficiency
by sanderson Today at 12:43 pm

» Facebook - SFG Foundation postings
by sanderson Today at 12:32 pm

» Happy Birthday!!
by sanderson Today at 12:05 pm

» Anyone out there tried crosne tubers?
by sanderson Today at 11:52 am

» New England, December 2016
by CapeCoddess Today at 11:32 am

» California's Drought
by countrynaturals Today at 11:21 am

» Mid-South: December 2016
by AtlantaMarie Today at 7:40 am

» CANADIAN REGION: What are you doing December 2016
by AtlantaMarie Today at 7:38 am

» Second Year SFG in Canada
by sanderson Today at 4:16 am

» N&C Midwest: December 2016
by GardenGal Today at 2:14 am

» TrolleyDriver's Compost Thermometer
by trolleydriver Yesterday at 5:21 pm

» Tomato Tuesday 2016
by AtlantaMarie Yesterday at 4:41 pm

» Holy snow Batman!
by donnainzone5 Yesterday at 12:13 pm

» Butterfly Junction
by countrynaturals Yesterday at 11:44 am

» Garlic: Freeze, thaw, and heave
by camprn Yesterday at 7:05 am

» Garbanzo (Chickpeas, Cicer arietinum) and Kidney Beans
by BeetlesPerSqFt 12/7/2016, 11:28 pm

» Northern California & Coastal Valleys - What are you doing this month?
by countrynaturals 12/7/2016, 10:43 pm

» What are you eating from your garden today?
by Scorpio Rising 12/7/2016, 9:43 pm

» GF Collard Greens, Kale Recipes
by BeetlesPerSqFt 12/7/2016, 12:49 pm

» 2016 SFG in Brooks, Ga
by sanderson 12/7/2016, 11:48 am

» Bon fires on the Levee
by Cajun Cappy 12/6/2016, 12:17 pm

» Mid-Atl - Dec 2016 - Seed Catalog ?
by Scorpio Rising 12/5/2016, 10:24 pm

» Gardening in Central Pennsylvania
by Scorpio Rising 12/5/2016, 10:21 pm

» 1st Seed Catalog Arrived :)
by Scorpio Rising 12/5/2016, 10:15 pm

» Amaranth
by countrynaturals 12/5/2016, 12:06 pm

» Live and learn
by jimmy cee 12/5/2016, 9:08 am

» AtlantaMarie's Garden
by countrynaturals 12/4/2016, 2:04 pm

» Mychorrhizae Fungi
by audrey.jeanne.roberts 12/4/2016, 1:28 pm

» December 2016 Avatar: Show your Winter Season Colors!
by Scorpio Rising 12/3/2016, 11:17 pm

Google

Search SFG Forum

How deep does the soil need to be?

View previous topic View next topic Go down

How deep does the soil need to be?

Post  offtheporch on 4/2/2012, 7:28 pm

I just built two 4x4 squares and filled them. The MM is about 4 inches deep. Since the sides are 9 inches high (I used lumber that I had) I could add more MM. Do you think it is advisable to make the soil deeper (will be planting vegetables). Thanks for any help, this is all new to me.

offtheporch

Posts : 24
Join date : 2012-03-24
Location : Mid-Michigan

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  sfg4uKim on 4/2/2012, 8:19 pm

Hi and welcome to the Forum.

Have you had the opportunity to read the All New Square Foot Gardening book (2006) by Mel Bartholomew? You can get it at the library if you don't want to purchase one. It will give you all the basic info you need - such as the depth that Mel's Mix needs to be - which is 6".

Hope that helps.

____________________________

I have seen women looking at jewelry ads with a misty eye and one hand resting on the heart, and I only know what they're feeling because that's how I read the seed catalogs in January - Barbara Kingsolver - Animal, Vegetable, Miracle


sfg4u.com
FB: Square Foot Gardening 4 U




sfg4uKim

Certified SFG Instructor

Female Posts : 1875
Join date : 2010-09-30
Age : 58
Location : Glen Burnie, MD

View user profile http://sfg4u.com

Back to top Go down

Re: How deep does the soil need to be?

Post  offtheporch on 4/3/2012, 3:21 pm

Actually, I do have the book, but got lazy and didn't want to have to re-read all the pages to see the answer. Sorry...and thanks for responding. Guess I'll go mix up more MM and finish what I started...maybe even re-read the book. Duh.


offtheporch

Posts : 24
Join date : 2012-03-24
Location : Mid-Michigan

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  sfg4uKim on 4/3/2012, 4:05 pm

LOL I used to wish that I could learn things by osmosis. Maybe if you just sleep with it under your pillow . . . Very Happy

____________________________

I have seen women looking at jewelry ads with a misty eye and one hand resting on the heart, and I only know what they're feeling because that's how I read the seed catalogs in January - Barbara Kingsolver - Animal, Vegetable, Miracle


sfg4u.com
FB: Square Foot Gardening 4 U




sfg4uKim

Certified SFG Instructor

Female Posts : 1875
Join date : 2010-09-30
Age : 58
Location : Glen Burnie, MD

View user profile http://sfg4u.com

Back to top Go down

Re: How deep does the soil need to be?

Post  plantoid on 4/3/2012, 4:17 pm

@offtheporch wrote:Actually, I do have the book, but got lazy and didn't want to have to re-read all the pages to see the answer. Sorry...and thanks for responding. Guess I'll go mix up more MM and finish what I started...maybe even re-read the book. Duh.




Welcome to the site ,

The more you read the book the more you'll realize that Mel has a secret high tech wi-fi line into it and keeps adding abit more new stuff each time you read. Wink

Re :- The bit about depth .

The volume is important to hold a decent amount of water & nutirents to support healthy plants in the planned bed , reducing the depth will reduce that vital volume .

plantoid

Male Posts : 3636
Join date : 2011-11-09
Age : 65

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  offtheporch on 4/3/2012, 5:08 pm

See plantoid, really what I was counting on was advice like that to make me realize that all that hard work needs to be done just right. It makes a difference.

And Kim, I too would enjoy learning by osmosis. ESP, or even common sense, doesn't always cut it.

offtheporch

Posts : 24
Join date : 2012-03-24
Location : Mid-Michigan

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  fiddleman on 4/3/2012, 7:10 pm

@plantoid wrote:



Re :- The bit about depth .

The volume is important to hold a decent amount of water & nutirents to support healthy plants in the planned bed , reducing the depth will reduce that vital volume .


So if you're saying you need closer to 9 inches in depth versus the suggested 6 inch depth I have to disagree with you here. If I am misunderstanding your reply, I apologize.

The volume is important if you get too much below 3 inches, it is too easy to cook the roots in the heat of the summer (assuming you don't mulch the beds.) There is plenty of nutrients in the bed even in 3 inches of Mel's mix except for all but the very heaviest feeding plants.

Otherwise, the garden does just FINE with 5 1/2 inches of Mel's Mix (rain compacted 6 inches goes down to 5 - 5 1/2 inches). Holds a ton of water...well not a ton, but a lot, and with 1/3 compost there is MORE than adequate nutrients. So, if you want to spend more to fill up a garden beyond the recommended 6 inches, it won't hurt anything, but I personally will vouch that Mel knew what he was talking about when he proscribed the 6 inch deep beds.

Anecdotal evidence from my own experience is 3 inches will work fine for everything but root vegetables - carrots and the like. I have the pictures to prove it, made the first beds out of 2x4's and they did fine.

So if you want to spend the extra money making the beds deeper, more power to you, but in my mind I would spend the extra bucks making another small bed and grow more great stuff!!!
Very Happy

There's my 2 cents!
Mark

fiddleman

Male Posts : 121
Join date : 2011-03-21
Location : Mid Michigan

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  jillwilliams1 on 5/21/2012, 11:29 am

This is my first attempt with SFG and I've been concerned about so little depth of soil...I started out with around 5 inches of soil...I guess I miscalculated how much MM components to purchase....but was out of money at that point....after rainfall and watering...I have about 4 inches! my plants seem really small for their age compared to when I grow them in regular plowed soil.....is this really going to work? I'm concerned that I'll have stunted plants with little to no produce.....

jillwilliams1

Posts : 11
Join date : 2012-01-10
Location : Georgia

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  walshevak on 5/21/2012, 11:37 am

Can you post some pictures and include the dates you planted so we can judge if more nutrients or water are needed? 5 inches should be enough for most things.

Kay

____________________________

A WEED IS A FLOWER GROWING IN THE WRONG PLACE
Elizabeth City, NC
Find more about Weather in Elizabeth City, NC
Click for weather forecast

walshevak

Certified SFG Instructor

Female Posts : 4310
Join date : 2010-10-17
Age : 73
Location : wilmington, nc zone 8

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  Unmutual on 5/21/2012, 11:38 am

I've successfully grown tomatoes and peppers in 4" of MM.

Unmutual

Certified SFG Instructor

Male Posts : 396
Join date : 2011-04-23
Age : 44
Location : Greater New Orleans Area Westbank(Zone 9b)

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  elliephant on 5/21/2012, 11:40 am


elliephant

Female Posts : 842
Join date : 2010-04-09
Age : 41
Location : southern tip of Texas zone 9

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  jillwilliams1 on 5/21/2012, 12:15 pm

thanks for the encouraging posts/pics....
had a little trouble uploading pics here, but made an album instead....
http://squarefoot.creatingforum.com/gallery/Personal-album-of-jillwilliams1/Personal-album-of-jillwilliams1-cat_u8015.htm

my tomatoes and peppers were started inside on March 15th and did well (you'll see a pic of them too)
I planted them in my SGF on the last weekend in April.....then we did have a sudden cold snap (about 40˚ 2nd night after planting)

everything else was started by seed the first week of May....

everything was starting to slow and look pale 2 weeks ago, after getting advice on the forum, I added Miracle Grow to my beds and have seen dramatic improvement...my compost quality must have been poor...these pics show green plants now, but my beans are still yellowish.

my tomatoes and peppers seem very leggy and poor.....
maybe i just need to be patient since they didn't have enough food on the onset.

jillwilliams1

Posts : 11
Join date : 2012-01-10
Location : Georgia

View user profile

Back to top Go down

Re: How deep does the soil need to be?

Post  Sponsored content Today at 2:21 pm


Sponsored content


Back to top Go down

View previous topic View next topic Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum