Coffee grounds are a fantastic kitchen scrap that can benefit hydrangeas. They are naturally acidic, making them ideal for hydrangeas that thrive in slightly acidic soil.
Eggshells are rich in calcium, an essential nutrient for plant cell wall development.
Banana peels are an excellent source of potassium, which promotes overall plant health and flower production.
Collect vegetable scraps like carrot peels, lettuce leaves, and potato skins to add to your compost.
Used tea leaves are a great source of nitrogen, which promotes leafy green growth.
Citrus peels, such as those from oranges and lemons, can help deter pests like aphids and slugs.
Onion skins are rich in essential nutrients like potassium, calcium, and magnesium
The water used to boil vegetables is full of nutrients. Once cooled, use this nutrient-rich water to irrigate your hydrangeas.