Rows of tall Delphinium ‘Strawberry Fair’ in Polly Nicholson's Wiltshire garden
07.07.2023 - 08:01 / balconygardenweb.com
Before you try to use a soil amendment like caffeine, it is important to know Which Plants Like and Do Not Like Coffee Grounds. Keep on reading to know everything about it.
Coffee grounds help plants that like acidic growing medium, as they are an excellent source of nitrogen, improving the growth of the beneficial microorganisms in the soil.
Botanical Name: Hydrangea macrophylla
Add coffee grounds to the soil around your hydrangeas during late fall. Repeat this 2-3 times per year and watch them bloom vivid and large flowers!
Botanical Name: Rhododendron
This acid-loving plant enjoys a coffee treat, and you can mix a handful of coffee grounds in the pot once in 4-6 months to boost the flowering and colors.
Note: Remember, if your soil is high in nitrogen, the additional boost from coffee grounds can stunt the growth of azalea flowers. It would be a good idea to do a soil test before you proceed.
Botanical Name: Convallaria majalis
Feed this flowering plant once in 2-3 months with a handful of coffee grounds or leftover water from brewed coffee. It will boost its growth.
Botanical Name: Vaccinium sect. cyanococcus
Blueberries require a constant nitrogen supply and love acidic soil. These bushes are at the top of the list that enjoys coffee grounds and will surely grow plenty of berries if you treat them with coffee water every 4-6 weeks.
Botanical Name: Ilex
Spread a handful of coffee grounds surrounding the base of holly shrubs and trees for dense leaves and best berry production. Do this every 5-8 weeks.
Botanical Name: Rosa
Roses love nitrogen and acidic soil. You can grow beautiful flowers by feeding half a cup of black coffee water per plant once in 4-6 weeks.
Botanical Name: Schlumbergera bridgesii
Feed your Christmas cactus once
Rows of tall Delphinium ‘Strawberry Fair’ in Polly Nicholson's Wiltshire garden
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If you are looking for Maryland Native Plant List to plan your garden, we have compiled the best ones below!