Overview

Dactylorhiza x grandis Blackthorn hybrid is a clump forming bulbs in the genus Dactylorhiza, part of the Orchidaceae family, with deciduous foliage. Dactylorhiza x grandis Blackthorn hybrid grows best in partial shade, and tolerates loam soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, rock garden, wildflower meadow and flower borders and beds.

About

Dactylorhiza x grandis Blackthorn hybrid is a clump-forming cultivar of the Dactylorhiza genus, which comprises tuberous perennials with deciduous, lanceolate leaves that may show purple spotting. This hybrid thrives in partial shade with moist but well-drained loam soils, tolerating a range of soil pH from acid to alkaline. It is hardy to UK zone H5 and is suited to various garden settings including cottage gardens, rock gardens, and wildflower meadows. Flowering in spring, it features dense terminal racemes typical of the genus, contributing seasonal interest to flower borders and beds.

Growing conditions

Best soil and position for Dactylorhiza

Sunlight
Partial shade
Soil type
Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, North-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Dactylorhiza x grandis Blackthorn hybrid size, habit and characteristics

Plant type
Bulbs, Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Rock garden, Wildflower meadow, Flower borders and beds

Care notes

Pruning and caring for Dactylorhiza x grandis Blackthorn hybrid

Propagation
Divide in early spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Dactylorhiza x grandis Blackthorn hybrid?

Dactylorhiza x grandis Blackthorn hybrid prefers partial shade. It suits exposed and sheltered positions.

What soil does Dactylorhiza x grandis Blackthorn hybrid need?

Dactylorhiza x grandis Blackthorn hybrid grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Dactylorhiza x grandis Blackthorn hybrid hardy in the UK?

Dactylorhiza x grandis Blackthorn hybrid has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Dactylorhiza x grandis Blackthorn hybrid?

Divide in early spring.

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