Glandora diffusa 'Heavenly Blue' 0
Author: Tai Hyun Chung (1882-1971) ex Takenoshin Nakai (1882-1952)Family: Boraginaceae
Genus: Glandora
Synonym(s): Lithodora diffusa,Lithospermum diffusum
English name: Purple gromwell 'heavenly blue'
Zone: Mediterranean
References for the genus
- Phylogeny and systematics of Lithodora (Boraginaceae-Lithospermeae) and its affinities to the monotypic genera Mairetis, Halacsya and Paramoltkia based on ITS1 and trnLUAA-sequence data and morphology, Thomas Daniel, Weigend Maximilian & Hilger Hartmut. Taxon 2008 Vol. 57(1) pag. 79-97. DOI
General specifications
Biological type: plant
Frost resistance: 5ºF
Leaf color: dark green
Flower color: bleu
Reproduction mode: hermaphrodite Plant whoes flowers produce both male and female gametes
Specifications for the Mediterranean basin
Adult size (h x w): 0,6ft x 2,6ft
Sun exposure: full sun (Sun hours: >6h Foliage: evergreen
Growth: fast
Flowering time from April until May
Specific information for our garden
Planting substrate: 40%Compost+20%Peet+40%Sand
Plant watering: 3x a week pH 5.5
Logical sequence of containers for: Perennials; forestry plate 8cm, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by cuttings
Frost resistance: 5ºF
Leaf color: dark green
Flower color: bleu
Reproduction mode: hermaphrodite Plant whoes flowers produce both male and female gametes
Specifications for the Mediterranean basin
Adult size (h x w): 0,6ft x 2,6ft
Sun exposure: full sun (Sun hours: >6h Foliage: evergreen
Growth: fast
Flowering time from April until May
Specific information for our garden
Planting substrate: 40%Compost+20%Peet+40%Sand
Plant watering: 3x a week pH 5.5
Logical sequence of containers for: Perennials; forestry plate 8cm, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by cuttings
Experiences in the garden
28-09-12A Obtaining 35 plants from nursery Lepage (Cultivated from unknown origin)
26-06-13 35x Dead plant because of substrate problem: PlatteBande.
27-11-13B Obtaining 38 plants from nursery Lepage (Cultivated from unknown origin)
21-02-20 20x Dead plant: End of life: Platte-bande.
03-10-18 18x Dead plant because of watering problem: PlatteBande.