Overview
Amaranthus hypochondriacus 'Rio San Lorenzo' is a bushy annual biennial in the genus Amaranthus, part of the Amaranthaceae family, with deciduous foliage. Amaranthus hypochondriacus 'Rio San Lorenzo' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1a. Suggested uses include cottage and informal garden, city and courtyard gardens, sub-tropical, cut flowers and flower borders and beds.
About
Amaranthus hypochondriacus 'Rio San Lorenzo' is a bushy cultivar of the Amaranthus genus, which includes annuals and short-lived perennials with simple leaves and dense, catkin-like flower clusters. This deciduous plant thrives in full sun and prefers a sheltered position with fertile, moist but well-drained loam soil of neutral pH. It is hardy to H1a and is typically grown from seed sown at 20°C in mid-spring. 'Rio San Lorenzo' is valued for summer and autumn interest and is suitable for cottage gardens, city courtyards, sub-tropical settings, cut flowers, and flower borders.
Growing conditions
Best soil and position for Amaranthus
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H1a
Plant details
Amaranthus hypochondriacus 'Rio San Lorenzo' size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, City and courtyard gardens, Sub-tropical, Cut flowers, Flower borders and beds
Care notes
Pruning and caring for Amaranthus hypochondriacus 'Rio San Lorenzo'
- Propagation
- Seed sown at 20°C (68°F) in mid-spring
- Pest resistance
- Aphids
- Disease resistance
- Virus
Frequently asked questions
Where is the best place to plant Amaranthus hypochondriacus 'Rio San Lorenzo'?
Amaranthus hypochondriacus 'Rio San Lorenzo' prefers full sun. It suits sheltered positions.
What soil does Amaranthus hypochondriacus 'Rio San Lorenzo' need?
Amaranthus hypochondriacus 'Rio San Lorenzo' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Amaranthus hypochondriacus 'Rio San Lorenzo' hardy in the UK?
Amaranthus hypochondriacus 'Rio San Lorenzo' has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.
How do I propagate Amaranthus hypochondriacus 'Rio San Lorenzo'?
Seed sown at 20°C (68°F) in mid-spring.
More in the Amaranthus genus
- Amaranthus cruentus 'Red Cathedral'
- Amaranthus retroflexuscommon amaranth
- Amaranthus 'Flaming Fountains'
- Amaranthus rubra