blue Houstonia

Latin name Houstonia caerulea
Quantity per packet Minimum 50 seeds
$5.99

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Product information
Product
identification
Latin nameHoustonia caerulea
FamilyRubiaceae
TypeGround cover
CyclePerennial
Quantity per packMinimum 50 seeds
Code produitAKENE-0023
Product
description

Blue bluets are small native perennials of remarkable delicacy, capable of illuminating natural lawns, gentle rock gardens, and open clearings with their delicate flowers in spring. Their pale blue to almost white corollas, punctuated by a bright yellow center, form a light veil that gives the garden an impression of freshness and elegant simplicity. Although very small, this plant plays a valuable role by offering an early nectar source to bees, small pollinators, and other beneficial insects as soon as spring awakens. Its low foliage forms a discreet rosette that naturally integrates into simple arrangements, fine groundcovers, and plantings inspired by meadows and open woodlands. It appreciates well-drained, slightly acidic to neutral soils, and thrives in sun or partial shade under relatively stable conditions. Its gentle and luminous presence wonderfully accompanies naturalistic gardens where the goal is to highlight modest but essential species for biodiversity. By gently colonizing the soil, it also contributes to its cohesion while maintaining a light and natural aesthetic. Cultivating blue bluets means making room for a refined, discreet, and deeply vibrant floral miniature.

Sowing
guide
Sowing periodAutumn or spring after stratification
Sowing depthArea
Germination temperature18 to 20 °C (64 to 68 °F)
Germination time20 days
Soil
and care
ExposureSun to partial shade
Soil
Well-drained, slightly acidic to neutral
Watering
Moderate
Container
growing
true
Bloom,
harvest
and garden
Garden use
Groundcover, pollinator garden, rock garden, naturalization
Bloom period
May to June
Harvest
June to July
Size
and facts
Height5 to 10 cm (2 to 4 in)
Spread4 to 8 inches (10 to 20 cm)
Planting
partners
Good companions
Canada columbine, creeping phlox, wild strawberry, Pennsylvania sedge
Avoid planting with
blue flag iris, ligularia, horsetail, marsh marigold
The availability of our seeds varies depending on seasonal availability, production schedules and supplier inventory. Certain varieties may only be offered for a limited time based on their natural growth cycle, sowing period or available stock. These product pages are designed to help and inspire gardeners in choosing the right seeds for vegetable gardens, flower beds, pollinator gardens, container growing, naturalization projects and sustainable outdoor spaces.