Question: I have a small lemon tree growing in a large container. I now have many small lemons on it. The leaves are a sickly, yellow color. I used a fertilizer on it in late February that was labeled ...

Q: Do you recommend chelated iron fertilizer for citrus? A: All the fertilizers for fruit trees (that includes citrus) are applied very early in the season, as early as possible but usually between ...

Iron chlorosis is shown in this pin oak in the final stages before the tree died. Treat it by applying chelated iron and a sulfur soil acidifier to the shrubs and vines. Neil Sperry Special to the ...

Many of the plants we use in our landscapes have trouble taking up iron from our alkaline soils. There is a lot of the mineral in our soils, but it is locked up in relatively insoluble compounds and ...

Iron deficiency is very common in our non-native plants here. Roses, citrus, deciduous fruit trees, hibiscus, pyracantha, bougainvillaea and crape myrtle are just a few of the plants commonly affected ...

If your trees or lawn start the season looking more lemon than lime, you may be seeing iron chlorosis—a common nutrient problem across much of the west. It’s especially noticeable in early spring, ...