Bluets bloom for 2 or 3 weeks in the spring. Its plant helps filter water runoff. It makes a small contribution to stabilizing soil. They can be planted in meadows. It grows especially well among grasses and a good choice for rock gardens, lawn replacement and on the edge of a path.
Botanical Name: Houstonia caerulea
Nom Français: Houstonie bleue


Bloom colour: Pale blue
Blooms: Spring - Zone 5
Pollinators: Bees | Birds | Butterflies
Sun or Shade: Shade
Plant Type: Perennial
Height: Less than 1 foot (27 cms or less)
North America
It grows well in hardiness zones: 6-9

Bluets are low-growing perennials that have multiple blue or white-ish blooms with bright yellow centres. They are native to Quebec, Ontario, New Brunswick and Nova Scotia. They certainly are a feast for the eyes and they bloom anywhere between April and July.


Meadow, slightly acid soil
Water requirement: Regular water requirement.
Moist and slightly acidic soils.
The best time to plant bluets is on a cool or cloudy day, or in the evening. Ther prefer moist, slightly acidic soils but will tolerate drier conditions.
If you decide to plant in a container, use a shallow container. Spread the seeds in moist soil and cover with plastic or glass. Water regularly. After about 3-4 weeks, when the seedlings have emerged, remove the plastic layer and leave to grow for about a year. After a year, transplant into a forever home outdoors.


Plants disperse by seed, and they also spread through slender rhizomes, leading to the formation of clumping colonies. Most growth and development occurs during the spring.
Bluets are naturally found in wet grassy meadows, thickets, and open woods.
There are no known pests or diseases.


Spread: Up to 1 foot.
Bluets are easy to transplant. Propagate by dividing or simply letting them spread on their own through seeding and their rhizomes.


Good for planting under taller blooms in the garden and are highly recommended for rock gardens. They can also provide a defense against invasive weeds by choking them out. They attract a variety of bees and some small butterflies.
Native to Canada

Styling and Use

Bluets can be planted in meadows, next to paths, in semi-shade gardens or even to replace grass lawns.
Grasses, among others


It is said that blue flowers stand for desire, love and the metaphysical striving for the infinite and unreachable. It is also said to symbolize hope and the beauty of things.


Also known as Quaker Lady Bluets, due to the fact that their petals are shaped like the hats the women in the Quaker faith wore. It has also been said that the light blue petals matched the dresses that they wore. is supported by its readers and advertisers. If you purchase through a link on this site, the site may earn a commission.

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