5 things to do in the garden this week ... For best results, acidify soil with gypsum prior to planting and apply gypsum twice a year as a topical amendment to the soil surface.

Milk is a wonderful fungal prevention spray. Dilute it at 1:10 and apply once a week. Or just rinse out milk bottles and apply, as and when. I have been told a good feed of liquid seaweed will ...

Yet, at this time of year, there is an often overlooked arboreal feature that may achieve sudden prominence in the garden ... To mitigate alkalinity, apply gypsum to the soil around the tree ...

Powdered gypsum should be ... in ponds and is available at garden centers in 50 pound bags. Plants that have been weakened by heavy or chronic exposure to salt may not respond to gypsum treatment.

If you have a larger garden, throw a bag of manure into a wheelbarrow and do a full tour of your garden beds, spreading as you go. Apply generously ... a dressing of gypsum. This helps to loosen ...