Vinca Flower Fertilizer. Vinca minor often referred to as periwinkle or creeping myrtle is a trailing ground cover that takes over an area over time. Fertilize the plants once a month with a 10-10-10 nitrogen phosphorous potassium water-soluble fertilizer.
Dec 09 2018 Fertilize the plants once a month with a 10-10-10 nitrogen phosphorous potassium water-soluble fertilizer. Space plants at least 12 to 18 inches apart. Mix 1 teaspoon of fertilizer with 1 gallon of water or according to the instructions on the package.
Planting in the garden.
Mix 1 teaspoon of fertilizer with 1 gallon of water or according to the instructions on the package. Unless the package says otherwise add 1 teaspoon of fertilizer to every gallon of water and water as usual. Vinca typically needs no fertilization. Mix 1 teaspoon of fertilizer with 1 gallon of water or according to the instructions on.