
Life Cycle
Annual
Plant Characteristics
red leaves
Growth Habit
Upright
Bloom Season
Cool
Flavour Profile
Mildly
Suitable for
Outdoor
Seed Type
Non-GMO
Plant Type
Vegetable
Planting Season
Late spring
Fruit Size
Not applicable
Plant Height
30–50 cm
Light Requirement
Full sun
Water Needs
Moderate
Hardiness Zones
4–9
Container Garden
Yes
Plant Spacing
20–25 cm
Planting Depth
0.6 cm
Growing Conditions
Cool weather
Frequently Asked Questions
What makes Rossa di Treviso different from green lettuce?
What makes Rossa di Treviso different from green lettuce?
It forms deep red leafy heads with a pleasantly bitter flavor typical of radicchio varieties.
Can cool weather enhance leaf appearance?
Can cool weather enhance leaf appearance?
Yes. Cooler growing conditions often improve leaf color and texture in radicchio.
Which vegetables grow well with radicchio?
Which vegetables grow well with radicchio?
Onions, carrots, spinach, lettuce, and beetroot are suitable companion crops.
Can leaves be harvested individually?
Can leaves be harvested individually?
Yes. Outer leaves may be picked first or the entire head harvested when mature.
Is radicchio commonly eaten raw and grilled?
Is radicchio commonly eaten raw and grilled?
Yes. It is widely used in salads, grilled dishes, risotto, and roasted recipes.
Can flowering plants support beneficial insects?
Can flowering plants support beneficial insects?
If allowed to flower, the blooms may attract bees and other beneficial pollinating insects.