Armand clematis (Clematis armandii)

Also known as: Evergreen Clematis, Armand Clematis

Clematis armandii, named after the French botanist Père Armand David, is an evergreen vine known for its attractive white blossoms. These fragrant flowers make it a popular choice for gardens and are particularly enticing to hummingbirds, bees, butterflies, and other pollinators.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Armand clematis

Lifespan

Perennial

Plant Type

Vine

Plant Height

4.5 m to 9 m

Spread

3 m to 4.5 m

Leaf Color

Green Bronze Brown

Flower Size

2.5 cm to 8 cm

Flower Color

White Pink

Images of Armand clematis

Quickly Identify Armand clematis

Ternate leaves with three lance-shaped leaflets.

Star-shaped, white flowers with a vanilla-like scent.

Dry achenes with distinctive silky-plumose tails.

Oppositely arranged, ternately compound leaves.

Fragrant flowers with 4-7 narrow, oblong sepals.

Scientific Classification of Armand clematis

Phylum

Vascular plants

Class

Dicotyledons

Order

Ranunculales

Family

Buttercup

Genus

Clematis

Species

Armand clematis

Planting and Growing of Armand clematis

Care Difficulty

Easy

Watering Schedule

Every 3 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

Plastic, Ceramic

How to Water Armand clematis?

Clematis armandii prefers a consistent moisture level, so when watering, provide about 500 milliliters of water. The goal is to soak the soil until it's evenly moist, but avoid waterlogging. The soil should feel damp to the touch but not soggy.

What are the symptoms of an underwatered Armand clematis? ›

What should I do if my Armand clematis is not getting enough water? ›

What are the symptoms of an overwatered Armand clematis? ›

How to save an overwatered Armand clematis? ›

What Are the Sunlight Requirements for Armand clematis?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Clematis armandii thrives best under full sun to partial sun conditions. This amount of light ensures robust growth, extended flowering periods, and overall plant health.

How much sunlight does Clematis armandii require? ›

What are some solutions to provide Clematis armandii with ideal sunlight? ›

What are the benefits of ideal sunlight exposure for Clematis armandii? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Armand clematis?

Ideal Temperature: 60 ~ 75℉

Clematis armandii thrives best in an environment where the temperature is kept between 60°F to 75°F. This range provides the necessary warmth for robust growth and strong flowering while avoiding extremes that can impede its development.

What Soil is Best for Armand clematis?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Clematis armandii thrives in well-draining soil to prevent waterlogging, which can cause root rot. This ensures the plant's roots receive adequate oxygen, promoting healthy growth and vibrant blooms. Providing nutrient-rich soil boosts Clematis armandii's vigor, enabling lush foliage and a bounty of flowers. Organic matter such as compost or well-rotted manure can enhance soil fertility significantly. While Clematis armandii needs good drainage, the soil should also retain some moisture. This balance helps sustain the plant during dry spells, reducing stress and enhancing overall resilience.

How to Fertilize Armand clematis?

Fertilizer type: Balanced

Clematis armandii requires careful attention to its fertilization amount to thrive. Use a balanced liquid fertilizer diluted to half-strength, applying about 200-300ml per plant. For slow-release granules, apply 50-70 grams per plant annually to ensure a steady supply of nutrients without the risk of over-fertilizing.

How to Prune Armand clematis?

Pruning Time: Spring, Summer, Winter

The best time to prune Clematis armandii is immediately after flowering in late spring. This allows you to remove any dead or damaged wood while also encouraging new growth for the next season. Always use clean, sharp pruning shears to make precise cuts. This will help avoid crushing the stems and reduce the risk of disease entering through torn plant tissue. Focus on cutting back stems to maintain the desired shape of the plant. Clematis armandii can become quite vigorous, so trimming it regularly will help control its size and encourage a fuller appearance. Look for and remove any dead or diseased wood. This is critical for preventing the spread of disease and ensuring the healthy parts of the plant have access to necessary resources.

How to Propagate Armand clematis plant?

Propagate Time: Spring, Early summer

Choose a healthy stem from the current season's growth. Ensure it is free of pests and diseases and approximately 10-15 cm long. A stem with a few leaves works best for propagation.

Remove any leaves from the lower third of the cutting to prevent them from rotting in the medium. Dip the cut end into a rooting hormone before planting.

Insert the cutting into a pot filled with a well-draining propagation mix. Water lightly and cover with a plastic bag to maintain humidity, ensuring the plastic does not touch the leaves.

More About Propagating Techniques→

How to Repot Armand clematis plant?

Repotting frequency: Every 2-3 years

Repot Clematis armandii when its roots start to circle inside the pot or protrude through the drainage holes. Other signals include slowed growth or the pot drying out faster than usual. These signs indicate it is time for a new, larger pot with fresh soil to accommodate growth.

Choose a pot that is 2-3 inches larger in diameter than the current one, with ample drainage holes. This allows for root expansion and prevents waterlogging, ensuring the clematis receives adequate nutrients and aeration to boost healthy growth and flowering.

Use a well-draining soil mix enriched with organic matter. This combination provides necessary nutrients, facilitating root growth and preventing root rot. A good mix ensures the soil retains enough moisture while providing excellent drainage to keep the Clematis armandii healthy.

Toxicity of Armand clematis

Is Armand clematis toxic to humans?

Armand clematis exhibits a moderate level of toxicity to humans, with the entire plant posing a danger. Contact with the skin or accidental ingestion can result in poisoning due to the presence of protoanemonin. Touching armand clematis may lead to dermatitis, whereas ingestion can cause significant gastrointestinal distress. Symptoms of poisoning encompass mouth pain, nausea, vomiting, diarrhea, and in certain cases, hematemesis. The intensity of symptoms may vary depending on the quantity of exposure and individual sensitivity. It is essential for individuals to refrain from consuming or handling armand clematis to mitigate the risk of poisoning.

Is Armand clematis toxic to cat?

Armand clematis possesses a moderate level of toxicity for cats. Cats may be exposed to this toxic plant through direct contact or accidental ingestion of any part of it, as every part of the plant holds harmful properties. The toxicity is attributed to a compound called protoanemonin. Following exposure, cats may demonstrate signs of physical discomfort or illness, which may encompass a variety of symptoms. It is essential to seek immediate veterinary assistance if a cat displays any signs of distress after being in contact with or consuming armand clematis. To safeguard your cat, it is advisable to keep armand clematis out of their reach due to its potential health hazards.

Is Armand clematis toxic to dog?

Armand clematis is recognized as having a moderate toxicity level for dogs. Exposure to this plant can happen through several routes, including direct skin contact or ingestion if a dog inadvertently consumes any part of it. All sections of the armand clematis contain toxic compounds, rendering every part potentially dangerous for canines. When a dog is poisoned by armand clematis, it may show symptoms such as gastrointestinal distress, excessive salivation, vomiting, diarrhea, and possibly skin irritation due to contact. The compound causing these adverse reactions in dogs is referred to as protoanemonin. If you suspect that your dog has come into contact with or ingested armand clematis, it is crucial to seek immediate veterinary attention to secure the best potential outcome for your pet.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

More About Toxic Techniques→