Oneflower kelseya (Kelseya uniflora)

Also known as: Kelseya, One-flowered Kelseya

Oneflower kelseya, the sole species in its genus, was discovered by a botanist in 1888 at Montana's Gate of the Mountains. Alpine garden enthusiasts cultivate this rare plant, which is considered imperiled in Wyoming.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Oneflower kelseya

Lifespan

Perennial

Plant Type

Shrub

Plant Height

2-5 cm (0.8-2 inches)

Spread

10-30 cm (4-12 inches)

Leaf Color

Gray-green

Flower Size

1-1.5 cm (0.4-0.6 inches)

Flower Color

White to pink

Images of Oneflower kelseya

Quickly Identify Oneflower kelseya

Kelseya uniflora can be identified by its dense, mat-forming growth habit, tiny, gray-green leaves, and single white to pink flowers that bloom in early to mid-spring. The plant forms low, cushion-like tufts and often grows in rocky crevices.

Scientific Classification of Oneflower kelseya

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Rose

Genus

Kelseya

Species

Oneflower kelseya

Planting and Growing of Oneflower kelseya

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Oneflower kelseya?

For Kelseya uniflora, it's crucial to maintain moderate moisture levels without saturating the soil. Ensure the soil is evenly moist but never waterlogged, as this plant prefers well-drained environments. Apply approximately 250 ml of water per session, allowing the top layer of soil to dry out slightly between waterings.

What are the symptoms of an underwatered Oneflower kelseya? ›

What should I do if my Oneflower kelseya is not getting enough water? ›

What are the symptoms of an overwatered Oneflower kelseya? ›

How to save an overwatered Oneflower kelseya? ›

What Are the Sunlight Requirements for Oneflower kelseya?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 4 to 6 hours

Kelseya uniflora thrives best under partial to full sun. Ideal conditions ensure robust growth and vibrant blooms, enhancing the plant's natural drought resistance and overall vitality.

What is the best time of day for lighting? ›

What is the optimal location for placement? ›

How can artificial lighting aid its growth? ›

What Is the Ideal Temperature Range for Oneflower kelseya?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Kelseya uniflora is between 60°F and 75°F. This range ensures optimal photosynthesis and nutrient uptake, fostering robust growth and vibrant foliage. Maintaining this temperature range helps the plant to reach its full developmental potential without unnecessary stress.

What Soil is Best for Oneflower kelseya?

Soil type: Loam, Sandy loam, Sandy soil

Soil PH: 6.5 ~ 7.5

Kelseya uniflora thrives in well-draining soil to prevent root rot. This demand ensures the roots get adequate air and avoid waterlogging, crucial for the plant's thriving growth. A nutrient-rich soil is essential for Kelseya uniflora. The abundance of organic matter supports vigorous growth and bright blooms, essential for this alpine plant. The soil should retain enough moisture without becoming waterlogged, allowing the plant's roots to stay hydrated yet breathe, which helps in consistent blooming.

How to Fertilize Oneflower kelseya?

Fertilizer type: Balanced

Kelseya uniflora requires a balanced approach to fertilization. For liquid fertilizers, use a half-strength solution to prevent nutrient burn. When using slow-release fertilizers, aim for about a tablespoon per square foot of soil. Ensure even distribution around the base of the plant.

How to Prune Oneflower kelseya?

Pruning Time: Spring, Summer

Start by inspecting the plant for any dead or damaged stems during late spring or early summer. Use clean, sharp pruning shears to make cuts at a 45-degree angle above a leaf node or bud. Remove any crossing or overcrowded branches to improve air circulation and light penetration, which are vital for the overall health of Kelseya uniflora. To shape Kelseya uniflora, focus on maintaining its natural mound-like form. Trim selectively to control size and remove any unruly growth that disrupts the plant's symmetry. This precision pruning not only enhances its aesthetic appeal but also contributes to its structural integrity and flowering potential.

How to Propagate Oneflower kelseya plant?

Propagate Time: Spring, Late spring, Early spring

Collect seeds from mature plants at the end of their growing season. Ensure the seeds are dry and suitable for sowing by storing them in a cool, dry place until you're ready to plant.

Take cuttings from healthy, disease-free branches. Use sterilized pruning shears to make a clean cut below a node, ideally selecting a stem with a few leaves on it.

Prepare a tray with well-draining soil. Plant seeds at the recommended depth and space, and insert cuttings into the soil after applying rooting hormone to encourage root growth.

More About Propagating Techniques→

How to Repot Oneflower kelseya plant?

Repotting frequency: Every two to three years

Kelseya uniflora needs repotting when its roots start growing through the drainage holes or when its growth significantly slows down. A good time to assess these signs is during early Spring or Summer, when the plant is in an active growth phase, enabling it to recover quickly from being disturbed.

Choose a pot that is only slightly larger than the current one, ideally with good drainage holes to prevent waterlogging. A pot made from terracotta is preferred as it is porous, allowing moisture to escape and improving root aeration. This ensures your Kelseya uniflora thrives in conditions reminiscent of its natural habitat.

Opt for a rocky, well-draining soil mix that mimics the plant’s native mountainous environments. The blend should include components like coarse sand, pumice, and gravel to ensure excellent drainage. This type of soil helps prevent root rot by allowing the water to pass through quickly, preventing stagnation.