
<






>
PENSTEMON 'Heavenly Blue'
Commonly known as Beard tongue, Foothill penstemon
(syn. P. heterophyllus 'Heavenly Blue') - low-growing with plentiful lilac-blue flowers
Full Plant Details - Sun/Soil & other attributes - Click to close
-
Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
-
Pests & Diseases
Chrysanthemum eelworm, powdery mildew -
Place of origin
USA. (California). Garden origin -
Resistant to honey fungusThese plants have little or few problems with honey fungus.
-
Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.leaves 2-5cm (¾-2in) long, narrowing at the bases
-
Blue
-
RacemesErect racemes
-
Tubular
-
BorderSuitable for a mixed or herbaceous border
-
Fully hardy
-
BlueBlue-green
-
Entire
-
Lanceolate
-
Linear
-
Height
50cm (20in) -
Spread
50cm (20in) -
Dwarf shrubTypically only grows to a maximum of one or two feet in height but there will be some exceptions.Vigorous subshrub forming low mounds of foliage beneath densely packed stems of flowers 2.5-4cm (1-1½in) long
-
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
-
Hardy - average winter
Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F) -
Autumn Seasonal Interest
-
Summer Seasonal Interest
-
Fertile well drained soilGive winter mulch
-
Full sun
-
Partial shade
-
Bee friendly
View Detailed Plant Description