Does Potash and Epsom Salts Really Make Citrus Fruit Sweeter? Garden Mythbusting!

Is the advice to “use potash and Epsom salts to grow sweeter citrus fruit” based on scientific fact, or is it just gardening folklore? Adding potash (potassium) is only helpful when citrus trees are suffering from potassium deficiency, which is rare in healthy soils, and can be diagnosed by observing the leaves and fruit. TooContinue reading “Does Potash and Epsom Salts Really Make Citrus Fruit Sweeter? Garden Mythbusting!”

Citrus Problems – Citrus Fruit Has Thick Peel and Hollow Core

Nutrient imbalances and deficiencies can adversely affect the quality of citrus fruit. Excess nitrogen combined with low phosphorus will cause citrus fruit to be misshapen, with thick peel, a coarse and roughly textured rind, coarse pulpy flesh without much juice, and an open centre. The juice will also be more acid in these fruit. SignsContinue reading “Citrus Problems – Citrus Fruit Has Thick Peel and Hollow Core”

Citrus Problems, Why Citrus Fruit Drops and Flowers Fail to Develop

Is your citrus tree dropping its fruit before they reach full size, or even worse, dropping the flowers before fruit even begin to form? This problem can happen to oranges, lemons, lime, grapefruit, mandarins and all other citrus. Trees photosynthesise to produce carbohydrates such as sugars which they store as their energy source. They canContinue reading “Citrus Problems, Why Citrus Fruit Drops and Flowers Fail to Develop”

Citrus Nutrient Deficiency – Yellow Leaves

If leaves are yellowing on a citrus tree, it may be a sign of nutrient deficiency, but it may not be, depending on which leaves are yellowing. Older leaves yellowing are quite normal as long as it’s only happening to a very small number of the very oldest leaves. Evergreen trees such as citrus willContinue reading “Citrus Nutrient Deficiency – Yellow Leaves”

Citrus Nutrient Deficiency – Yellow Leaf with Green Veins

One of the most common nutrient deficiencies seen on citrus is the yellowing of the leaf with dark green veins. Citrus are heavy feeders and are prone to nutrient deficiencies in autumn when they’re fruiting heavily and maturing their fruit, and magnesium deficiency is a common occurrence with citrus during this period. Magnesium deficiencies canContinue reading “Citrus Nutrient Deficiency – Yellow Leaf with Green Veins”

Citrus Problems – Citrus Yellow Veins on Green Leaf in Winter

Are your citrus leaves turning green with yellow veins in winter? When gardeners see this colour change in their citrus leaves, they often wonder if this is due to a nutrient deficiency, and if so, what they can do to fix it. Leaf Chlorosis The abnormal yellowing of leaf tissue is called chlorosis, which isContinue reading “Citrus Problems – Citrus Yellow Veins on Green Leaf in Winter”