Lobelia erinus 'Regatta Sapphire' — Clump forming

Overview

Lobelia erinus 'Regatta Sapphire' is a clump forming herbaceous perennial in the genus Lobelia, part of the Campanulaceae family, with deciduous foliage. Lobelia erinus 'Regatta Sapphire' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include city and courtyard gardens and cottage and informal garden.

About

Lobelia erinus 'Regatta Sapphire' is a clump-forming herbaceous perennial belonging to the Campanulaceae family. Like other Lobelia species, it features simple leaves and two-lipped flowers, appearing in clusters. This cultivar thrives in full sun or partial shade, favouring sheltered, east-, south- or west-facing aspects. It prefers fertile, moist but well-drained soils of various types and pH levels, including chalk, clay, loam, and sand. Hardy to UK zone H5, it is suitable for city and courtyard gardens as well as cottage and informal garden settings. Propagation is by division, with interest in spring and summer.

About the genus

Lobelia is a genus of flowering plants in the family Campanulaceae comprising 444 species, with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions. They are known generally as lobelias.

Wikipedia contributors, "Lobelia", CC BY-SA 4.0 — Lobelia

Growing conditions

Best soil and position for Lobelia

Sunlight: Full sun, Partial shade
Soil type: Chalk, Clay, Loam, Sand
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Moist but well-drained
Aspect: East-facing, South-facing, West-facing
Exposure: Sheltered
UK hardiness: H5

Plant details

Lobelia erinus 'Regatta Sapphire' size, habit and characteristics

Plant type: Herbaceous Perennial
Habit: Clump forming
Foliage: Deciduous
Suggested uses: City and courtyard gardens, Cottage and informal garden

Care notes

Pruning and caring for Lobelia erinus 'Regatta Sapphire'

Propagation: Propagate by division
Pest resistance: May be susceptible to slugs
Disease resistance: May be susceptible to crown rot and a virus

Frequently asked questions

Where is the best place to plant Lobelia erinus 'Regatta Sapphire'?

Lobelia erinus 'Regatta Sapphire' prefers full sun and partial shade. It suits sheltered positions.

What soil does Lobelia erinus 'Regatta Sapphire' need?

Lobelia erinus 'Regatta Sapphire' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.