Lobelia 'Grape Knee-Hi'Lobelia 'Grape Knee-Hi'

Lobelia ‘Grape Knee-Hi’

*** PLEASE NOTE ***

This plant is no longer for sale directly from TERRA NOVA® Nurseries. However, it may still be available through one of our Licensees or Retail Sources.

 

A true dwarf cardinal flower with grape-purple flowers. 'Grape Knee-Hi' has an upright well-branched habit and it's also sterile which prolongs the bloom time. Loved by hummingbirds and bees.

USDA Hardiness Zone(s): 6-9
Size (HT/W/FL HT): 22″ / 15″ / 25″
Exposure: Full Sun, Part Shade
Bloom Time(s): July, August

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SKU: LOBGRAKNE Categories: ,
Common Name Lobelia
Family Campanulaceae
Genus Lobelia
species hybrid
Plant Type Perennial
US Patent # PP13264
EU Grant # --
Bloom Time July, August
Flower Color Blue, Purple
Foliage Color Green
Dormancy Winter
Exposure Full Sun, Part Shade
Growth Habit Clumping
Growth Rate Fast
Hardiness Zone 6, 7, 8, 9
How Different? Differs from L. siphilitica by its dwarf habit and its blue purple flowers (rather than light blue).
Landscape Value Summer color, mixed beds, borders, near streams or ponds.
Most Active Growing Season Summer
Persistence Deciduous
Size (HT/W/FL HT) 22" / 15" / 25"
Soil (Garden) Average, keep moist, likes peat.
Water (Garden) Prefers to be kept moist in the garden.
Special Uses Deep South, Hummingbird Attractor, Pollinator Attractor
Comments Flowers July through September. Easy to grow with summer moisture. They like to be divided every few years. A Top Performing Perennial at the Massachusetts Horticultural Society 2015.
Water (Greenhouse) Dry moderately between waterings.
EC 1.0 – 1.5
pH 5.6 – 6.8
Fertility Needs 150 – 200 ppm
Notes
Finish Time to 4″ 3 – 5 weeks
Finish Time to Gallon
Day Length for Flowering Day Neutral
Lobelia 'Grape Knee-Hi' - Product Profile
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Lobelia 'Grape Knee-Hi' - Growing Recipe
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