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Muller, Thomas L.
Houstonia longifolia Gaertn.
Longleaf summer bluet, Long-leaf summer bluet, Pale bluets, Longleaf Summer Bluet
Synonym(s): Hedyotis longifolia, Hedyotis longifolia var. tenuifolia, Hedyotis nuttalliana, Hedyotis purpurea var. longifolia, Hedyotis purpurea var. tenuifolia, Houstonia longifolia var. compacta, Houstonia longifolia var. glabra, Houstonia longifolia var. tenuifolia, Houstonia purpurea var. tenuifolia, Houstonia tenuifolia, Oldenlandia purpurea var. tenuifolia
USDA Symbol: HOLO
USDA Native Status: L48 (N), CAN (N)
Clumps of basal leaves, larger than those of H. caerulea, form clumps to 1 ft. high. The dainty, tubular flowers of this perennial are pale, pinkish-white.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: Jun
, WV Canada: ON Native Distribution: ME
to Sask., s. to GA
& LA Native Habitat:
Open, sandy or rocky places; heath balds; deciduous
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
Soil Description: Moist, sandy or gravelly soils.
Conditions Comments: Not Available
BenefitConspicuous Flowers: yes
Plant seeds outside as soon as ripe or store, stratify and sow in the spring. Seeds should be sown at a shallow depth. These seedlings will germinate the first year and flower
the second. Propagation by division is accomplished by digging the plants in Seed Collection:
Not Available Seed Treatment:
Moist stratification. Commercially Avail:
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Mt. Cuba Center
- Hockessin, DE
Record Last Modified: 2013-12-03
Research By: TWC Staff