"Gladiolus 'Rose Supreme' is a real summer bloomer that can bloom until autumn. This rich flowering, large-flowered gladiolus grows to 100 cm and is also a wonderful cut flower. So be sure to plant a row of gladiolus in your cut flower garden. 'Rose Supreme' is very floriferous and should therefore not be missing in your summer flower garden.
You can plant the gladiolus tubers about 7-10 cm deep in the spring. First loosen the soil well and sprinkle a layer of sharp sand at the bottom of the planting hole. This allows rainwater to drain well under the tubers. Space the tubers about 10-12 cm apart. Add some good potting soil when planting. Mix heavy (clay) soil with sharp sand before planting. This large-flowered gladiolus likes to grow in a warm sunny spot.
This large-flowered gladiolus has a beautiful pink colour and is therefore easy to combine. You can make special combinations with it in the border with tall perennials and dahlias. Preferably plant gladioli in a different spot every year. Are you using the gladiolus 'Rose Supreme' as a cut flower? Then pick the stems when the lower flower opens, preferably early in the morning. Immediately place the stems in a vase with lukewarm water with cut flower food. "
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