Alphabetical Plant Listing

Houstonia caerulea (Bluets)

Azure Bluet, Quaker Ladies, Bluets, Hedyotis caerulea, Houstonia caerulea var. faxonorum


Dainty and wonderful, Houstonia caerulea (Bluets) is a small, delicate perennial wildflower forming a compact rosette of spatula-shaped leaves. Blooming for about 3 weeks in mid spring to mid summer, tiny pale blue or white flowers adorned with yellow centers create a striking display when they flower in lawns, fields, roadsides and other habitats. Borne atop unbranched stems, they attract bees, butterflies and other pollinators. This wildflower has shallow fibrous roots and slender rhizomes, forming charming tufts of flowering plants. In the wild, Houstonia caerulea thrives among mosses in light shade under tall oak trees. Easy to grow, Bluets make an attractive addition to rock gardens and can be planted in lawns or path edges. They are also a great addition to wildflower gardens, coastal gardens, woodland gardens or cottage gardens.

  • Grows up to 3-6 in. tall and wide (7-15 cm).
  • Thrives in full sun to part shade in sandy or thin rocky, acidic, moist to dry-mesic, well-drained soils. Drought and salt tolerant.
  • Great for rock gardens, coastal gardens, cottage gardens or prairies and meadows.
  • No serious pest or disease issues. Deer and rabbit resistant.
  • Propagate by seeds or root division. Plant seeds outside as soon as ripe or store, stratify and sow in the spring. These seedlings will germinate the first year and flower the second.
  • Native to eastern and central North America.

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Requirements

Hardiness 3 – 9
Plant Type Perennials
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Summer (Early)
Height 3" – 6" (7cm – 15cm)
Spread 3" – 6" (7cm – 15cm)
Spacing 3" (7cm)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy
Native Plants United States, Midwest, Illinois, Indiana, Michigan, Missouri, Ohio, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Southeast, Alabama, Arkansas, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia
Tolerance Deer, Drought, Rabbit, Dry Soil, Salt
Attracts Butterflies
Garden Uses Ground Covers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage

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Fritz Flohr Reynolds, Chipmunk-1, Flickr

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 9
Plant Type Perennials
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Summer (Early)
Height 3" – 6" (7cm – 15cm)
Spread 3" – 6" (7cm – 15cm)
Spacing 3" (7cm)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy
Native Plants United States, Midwest, Illinois, Indiana, Michigan, Missouri, Ohio, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Southeast, Alabama, Arkansas, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia
Tolerance Deer, Drought, Rabbit, Dry Soil, Salt
Attracts Butterflies
Garden Uses Ground Covers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage

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