Brittle spine flower (Chorizanthe brevicornu)

Also known as: Sagebrush chorizanthe

The Brittle Spineflower, a desert-dwelling member of the buckwheat family (Polygonaceae), acts as a host for the White-lined Sphinx moth. This annual herb is named for its easily detachable stems and branches, which break off at the nodes.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Brittle spine flower

Lifespan

Annual, Perennial

Plant Type

Herb

Plant Height

15 cm to 30 cm

Spread

90 cm to 1.2 m

Leaf Color

Green

Flower Size

2.5 cm

Flower Color

White

Images of Brittle spine flower

Quickly Identify Brittle spine flower

Chorizanthe brevicornu can be identified by its small size, its tubular flowers, and the spiny bracts that surround each flower cluster. The plant\'s leaves are usually found at the base and are covered with fine hairs.

Scientific Classification of Brittle spine flower

Phylum

Vascular plants

Class

Dicotyledons

Order

Caryophyllales

Family

Buckwheat

Genus

Spineflowers

Species

Brittle spine flower

Planting and Growing of Brittle spine flower

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 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

Ceramic, Plastic

How to Water Brittle spine flower?

Chorizanthe brevicornu, commonly known as the 'short-spined spineflower,' requires careful watering attention. Generally, each watering session should consist of approximately 200 ml of water. Ensure the soil is completely dry between each watering. The amount should be sufficient to moisten the root system but not so much that it leads to waterlogging.

What are the symptoms of an underwatered Brittle spine flower? ›

What should I do if my Brittle spine flower is not getting enough water? ›

What are the symptoms of an overwatered Brittle spine flower? ›

How to save an overwatered Brittle spine flower? ›

What Are the Sunlight Requirements for Brittle spine flower?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 8 to 10 hours

Chorizanthe brevicornu thrives in full sun to partial sun, benefiting from bright light which supports vibrant growth and flowering. Optimal sunlight fosters stronger structure and healthier, more robust foliage.

Best time for light exposure ›

Protective measures against harsh light ›

Maximizing benefit from indirect sunlight ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Brittle spine flower?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Chorizanthe brevicornu, which is native to arid and semi-arid regions, is between 60 and 75 degrees Fahrenheit. This range provides optimal conditions for growth and ensures the plant can photosynthesize efficiently without undergoing thermal stress.

What Soil is Best for Brittle spine flower?

Soil type: Sandy soil, Sandy loam

Soil PH: 6.5 ~ 7.5

Chorizanthe brevicornu requires soil with excellent drainage to prevent root rot and other moisture-related diseases. Ensuring good drainage helps maintain optimal plant health and promotes robust growth. This plant thrives in nutrient-poor soils, which mimics its natural habitat conditions. Low fertility encourages the plant to develop deep root systems, enhancing its adaptability and resilience. Chorizanthe brevicornu prefers dry soil conditions, which help it avoid fungal infections and other moisture-related issues. This requirement helps ensure healthy development and long-term survival.

How to Fertilize Brittle spine flower?

Fertilizer type: Balanced

Chorizanthe brevicornu prefers a balanced approach to fertilization. For liquid fertilizers, use a diluted solution, typically around half the recommended concentration as per the fertilizer's instructions. It is important to remember that a little goes a long way with this species, so avoid heavy applications which can damage its roots.

How to Prune Brittle spine flower?

Pruning Time: Spring, Summer

Begin by identifying and removing any dead or diseased branches to prevent the spread of infections. Use sharp, clean pruning shears for precise cuts. Focus on maintaining the natural shape of the plant while slightly enhancing air circulation around its branches for optimal health. More About Pruning Techniques→

How to Propagate Brittle spine flower plant?

Propagate Time: Spring,Early spring,Late spring

Fill your seed trays with a well-draining potting mix, making sure to level the soil. Water the soil lightly to ensure it is moist, but not waterlogged, before sowing the seeds. This step helps create a conducive environment for seed germination.

Scatter the Chorizanthe brevicornu seeds evenly on the surface of the moist soil. Lightly press the seeds into the soil or cover them with a thin layer of potting mix. This step ensures proper seed-to-soil contact, which is vital for germination.

Position the seed trays in a location where they receive indirect sunlight. Maintain a consistent temperature between 15-20°C to encourage seed germination. Consistent light and temperature are critical in the early stages of seedling development.

How to Repot Brittle spine flower plant?

Repotting frequency: Every 2-3 years

Chorizanthe brevicornu should be repotted when you observe slow growth or roots growing out of the pot's drainage holes. These are signs indicating that the plant has outgrown its current container and needs more space to thrive. It’s best to repot in spring or summer when the plant is actively growing, ensuring it recovers quickly from the transplant shock.

Select a pot that is one size larger than the current one, with ample drainage holes to prevent waterlogging. A terracotta pot is a great choice as it allows the soil to dry out quickly, preventing the roots from sitting in moisture. This helps mimic the plant's natural arid environment, promoting healthy root growth and avoiding root rot.

Opt for a well-draining sandy soil mix tailored for desert plants, as it mimics the plant’s natural habitat. This type of soil ensures efficient drainage and prevents water retention, reducing the risk of root rot. Adding perlite or pumice helps improve aeration, keeping the roots healthy and well-oxygenated.