About
This heirloom variety of celeriac, known as Apium graveolens var. rapaceum 'Giant Prague', was first introduced in 1871. It exhibits robust growth and features a relatively smooth exterior with a subtly flattened bottom. Notably, it has good storage capabilities.
About the genus
Apium includes herbaceous plants that can be classified as annual, biennial, or perennial. The foliage typically consists of leaves that are either divided into three leaflets or pinnately arranged. During the summer months, small white flowers appear, grouped in umbels.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Annual Biennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Toxicity
- Harmful to skin with sunlight. Wear gloves and other protective equipment when handling
Care notes
- Cultivation
- Grow in fertile, well drained but moisture retentive soil in full sun. Incorporate plenty of organic matter. Sow indoors in March and transplant in May. See celeriac cultivation
- Pruning
- No pruning required
- Propagation
- Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice
- Pest resistance
- May be susceptible to carrot fly and celery leaf-mining fly
- Disease resistance
- May be susceptible to celery leaf spot