Garden onion 'Redspark' (Allium cepa 'Redspark')

Garden onion 'Redspark'

Also known as: Potato onion 'Redspark', Bulb onion 'Redspark'

The garden onion 'Redspark' is recommended by the Royal Horticultural Society for its resistance to mildew and its uniform appearance. This garden onion cultivar was named for its rich, dark red skin and its depth of purple color inside. It produces medium-sized onions.

Scientific classification

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Biennial

Lifespan

Herb

Plant Type

Summer dormancy, Winter dormancy

Dormancy

Deciduous

Leaf type

20 - 38 ℃

Ideal Temperature

Care Guide for Garden onion 'Redspark'

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Pruning: Garden onion 'Redspark' is a bulbous plant with edible red bulbs and green leaves. Prune in early to late spring, remove yellowing leaves, and thin overcrowded bulbs to enhance air circulation. Adequate pruning promotes growth vigor and productivity, ensuring healthier yields.

Repotting: Garden onion 'Redspark' requires excellent drainage in pots to thrive effectively, ensuring that excess water does not accumulate and compromise root health.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Learn More About Garden onion 'Redspark'

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free