If Roundup was used (twice) in a patch of soil, will mixing the soil with lots of purchased garden soil allow you to grow plants there? Or how long will you have to wait before planting flowers there? Regular Roundup.
Almost all weed killers have a period of time after which it is safe to grow plants. The time varies but usually takes about a year for anything edible and less for flowering plants. Here is more info: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-long-does-weed-killer-last-in-the-soil.htm
I am an enthusiastic, but clueless, beginner so need to know the basics.
This article should help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
What is the combination of materials in soil? What are the main types of soil textures and their properties?
Does anyone know were I can buy a heavy duty, long handled forked hoe/cultivator in Sydney? I need it to till my vegetable garden and break up the clods. Thanks.
I would suggest performing a local search in your area for retailers. If you need more info on tilling the garden, this article should help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-to-till-a-garden-tilling-your-soil.htm
I live in Tampa, Florida and I was reading about full sun plants. It said on the site to test the pH. I would like to know where I can purchase a test kit? Susan Twiggs
They sell PH kits at Lowes and Home Depot.
you might try a pool supply place they have ph kits for pool water might work for what you need
Check with your local garden center. Or online.
What is the best soil to use? Is topsoil the best soil to use?
This usually depends on the soil quality you already have. However, whether planting flowers or veggies, all good soil needs to be well draining and fertile. One of the best ways to achieve good soil is through the addition of organic matter, such as compost. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/vgen/vegetable-garden-soil.htm
I have lost the information printed on box of how much moisture is needed for different plants. Meter goes from 0-4. Can't find information on web. Need help.
Here is a link to a table with various moisture levels required, it is a bit out of line for printing but has the readings: http://www.farmtek.com/wcsstore/EngineeringServices/allbizunits/techdocs/103399.pdf