How to Fertilize Vitis vinifera 'Flame Red'?
Balanced shrub feed once in spring

Vitis vinifera 'Flame Red' · Vitis vinifera 'Flame Red'
Grow outdoors in full sun, in well-drained, humus-rich soil, preferably neutral to slightly alkaline, mulch to keep soil moist, and provide support; for more advice, see outdoor grape cultivation
Balanced shrub feed once in spring