Cichorium intybus 'Pan di Zucchero'

RHS Plant Profile

radicchio 'Pan di Zucchero'

Herbaceous Perennial

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A non-forcing chicory variety producing upright heads of light green leaves with prominent white veins around a crispy heart. Harvest in Autumn between September and November

Position

Full sun

Soil Types

Chalk, Sand, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Sand Loam

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright, Clump forming
Genus: Cichorium can be annual or perennial plants with loosely branched stems bearing toothed or pinnately lobed leaves and dandelion-like, usually blue flowers which close by early afternoon, in summer
Name Status: Accepted

How to Grow

Cultivation

Grow in fertile, moist but well drained soil in full sun. Sow seed direct, 1.5cm deep between April and August. Thin out to 25-30cm apart and harvest between September and November. Alternatively sow indoors from March in modules and transplant out in Summer. See vegetable cultivation

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice

Pruning

No pruning required

Pests

May be susceptible to aphids, slugs and snails

Diseases

Generally disease-free