Wine grape 'Purpurea' (Vitis vinifera 'Purpurea')

Wine grape 'Purpurea'

Also known as: European grape 'Purpurea'

Wine grape 'Purpurea' is a wine grape (Vitis vinifera) cultivar with attractive green leaves that turn burgundy-purple in autumn, hence the cultivar name ("purpurea" refers to the color purple). Although the grapes are edible, this cultivar is mostly grown for its ornamental features, and commonly used with trellises or pergolas.

Scientific classification

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Perennial

Lifespan

Vine

Plant Type

Mid spring, Late spring, Early summer

Bloom Time

Early fall, Mid fall

Harvest Time

8 m

Plant Height

2.5 m

Spread

Green

Flower Color

Winter dormancy

Dormancy

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Care Guide for Wine grape 'Purpurea'

Twice per week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Fertilize and irrigate wine grape 'Purpurea' after sprouting; maintain moisture 20cm below the surface. Water every 10-12 days as fruit expands, reducing water to prevent cracking as grapes color. Post-harvest, restore moisture before freezing. For potted wine grape 'Purpurea', keep soil moist but surface dry, watering daily in hot weather.

Fertilize: Wine grape 'Purpurea' requires careful nutrient management for optimal growth. Before planting, assess soil nutrients and use appropriate fertilizers for deficiencies. In the second year, apply compound fertilizers sparingly during budding. Organic fertilizers should be applied annually in winter, while trace elements like zinc and boron are crucial for health.

Pruning: Wine grape 'Purpurea' features deep purple foliage and sweet grapes. Prune in early spring, removing dead wood and cutting lateral shoots to 2-3 buds. Ensure a well-ventilated structure to prevent diseases, enhancing sunlight and air circulation for robust growth and fruitful yields.

Propagation: The primary propagation method for wine grape 'Purpurea' is hardwood cuttings taken at winter's end. Cuttings should be pencil-thick (50 cm) with a 3 cm distance from the top bud, wrapped in wet soil, refrigerated until thawed. Once planted, keep the soil moist until rooting, and transplant in spring.

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