Rock Garden Plants
Giliastrum rigidulum (Benth.) Rydb.  
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FamilyPOLEMONIACEAE
Genus speciesGiliastrum rigidulum (Benth.) Rydb. 
BibliographyFl. Rocky Mts.: 1066 (1917)
Native RangeNew Mexico to Texas and c. & n. Mexico
Primary BiomeSubtropical
Habitatstony grassland
Descriptionviscid-pubescent or glabrescens, leaves alternate, usually pinnate, lobes linear or lanceolate, calyx 5-8mm, lobes subulate, corolla 2-3cm across
Size5-30cm
Colorblue
Bloomsummer
Ca
Typesubshrub
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 16-18°C
cuttings in spring and late summer
SynonymsGilia glandulosa Scheele
Gilia rigidula Benth.
Gilia rigidula ssp. eurigidula Brand
Navarretia rigidula (Rydb.) Kuntze
Territory7 Northern America
     77 South-Central U.S.A. (NWM New Mexico, TEX Texas)
     79 Mexico (MXC Mexico Central, MXE Mexico Northeast, MXN Mexico Northwest)
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(c) 1990-2025 RNDr. Pavel Slabý