I will build an elevated organic garden on the north side of my home in Huatulco, Mexico. It will be 1 meter x 4 meters, with cement floor and side walls. I want to grow herbs, vegetables and flowers. I am guessing that the soil depth should be about 18 inches over a layer of rocks on the cement floor. The garden will receive full sun during the Winter and mostly shade in the Summer. Would 18 inches of soil be about right? Should I run a sprinkler hose down the middle, or would a drip system be better? Any tips would be appreciated. Thanks very much, Robert
Some vegetables and herbs can grow in a more shallow soil depth, 8 to 12 inches, but many will need a deeper soil depth, up to 3 feet.
https://www.extension.purdue.edu/new/ho-200.pdf
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm
the squash plants have blooms but fall off before producing why
This may be the male blossoms dropping off of the vine; which is normal in the early part of the season.
This article will help you identify the male and female flowers.
https://www.gardeningknowhow.com/edible/vegetables/squash/squash-blossoms-falling-off-vine.htm
https://www.gardeningknowhow.com/plant-problems/environmental/why-healthy-blooms-fall.htm
My husband, bless him, bought treated wood to build me four large raised garden beds so I can plant veggies and flowers. He's got them built when I think to ask if he used treated wood - and he did. So now I'm wondering what's a safe wood sealant that he can put on the wood so the chemicals don't leech into the soil? Can we use a spar varnish on the inside? Any suggestions or advice would be most welcome. Thank you!
These links will help you make decisions regarding the safety of the treated lumber.
https://extension.missouri.edu/p/G6985
https://extension.psu.edu/plants/crops/esi/treated-lumber
...while building a raised bed planter is it necessary to remove grass where planter will sit. Planter will sit 20 inches above ground. Size will be 4 ft X 4ft. Building several boxes.
What soil or dirt. What kind of veggies should I grow?
What vegetables are completely up to you! As far as the soil, any good, organic potting soil will do just fine. You might even add some good top soil to mix in for good measure. Here is an article for learning to make a raised bed garden and even crafting your own soil blend: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm
How to maintain moisture and have good drainage in a elevated, raised veg garden?
It is always a good idea to add stones, whether it be gravel, or things like GrowStone (which is puffed recycled silica glass) to the bottom 3 or 4 inches before you add a rich, organic soil with compost. This will ensure that your bed maintains proper drainage.
Here is an article for further information: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm
I’m new to gardening and grew a lovely vegetable garden last summer so now I’m hooked! I want to start a new garden this spring, my question is this. I have raised plant beds that I used new gardening soil last year from Lowe’s. Should I replace the dirt before I plant anything this spring or should I use the same dirt? Do I add compost and can I buy that from a gardening store? Thanks!
You can leave the old soil in there as long as you amend it. You can order compost from your local gardening centers, or even online. There are many things that you can do to improve your soil for the next crop. This article will help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm