Garden rockcress (Arabis caucasica)
Also known as: Madwort, Wall rock cress, Mountain rock cress, Double rock cress
An evergreen perennial herb that blooms in early spring typically grows to about 0.2 meters tall and 1 meter wide. It features evergreen foliage year-round and produces hermaphroditic flowers, usually white, which are pollinated by bees.
In This Article
Attributes of Garden rockcress
Lifespan
Perennial
Plant Type
Herb
Plant Height
15 cm to 30 cm
Spread
50 cm
Leaf Color
Yellow Green Variegated Gray Silver
Flower Size
1.3 cm
Flower Color
White Purple Pink
Images of Garden rockcress
Quickly Identify Garden rockcress
1
Multi-stemmed, erect stem with green to purple hue, reaching 2 feet (60 cm).
2
Obovate, gray-green leaves with toothed margins, forming loose rosettes up to 2 inches (5 cm).
3
4-petaled white flowers, each 1/2 inch (1.3 cm) long, symmetrical in a cross-like pattern.
4
Siliqua fruit, slender and curved, 1.5 to 2.5 inches (3.8 to 6.4 cm) long, transitioning from green to tan.
5
Basal leaves with cascading effect, slightly rough texture, and broad, rounded tips.
Scientific Classification of Garden rockcress
Phylum
Vascular plants
Class
Dicotyledons
Order
Brassicales
Family
Cruciferae
Genus
Rockcresses
Species
Garden rockcress
Planting and Growing of Garden rockcress
Care Difficulty
Easy
Watering Schedule
Every 4 days
Sunlight Requirements
Full sun
Sunshine Duration
6-10 hours
Ideal Temperature
50-75℉
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
Terracotta, Plastic
How to Water Garden rockcress?
For Arabis caucasica, it's crucial to ensure the soil is evenly moist without becoming waterlogged. Water until the top 2 inches of soil feel damp, but do not let the plant sit in water. It's essential to allow the top layer to dry out a bit before the next watering to prevent root rot.
What are the symptoms of an underwatered Garden rockcress?
›
What should I do if my Garden rockcress is not getting enough water?
›
What are the symptoms of an overwatered Garden rockcress?
›
How to save an overwatered Garden rockcress?
›
What Are the Sunlight Requirements for Garden rockcress?
Arabis caucasica thrives best in full sun to partial sun environments. Providing this plant with an ideal light range promotes robust growth, ensures vibrant foliage, and maximizes blooming, enhancing its landscape value.
What is the ideal lighting setup for Arabis caucasica?
›
How can I provide optimal sunlight for my Arabis caucasica indoors?
›
What benefits does ideal sunlight provide to Arabis caucasica?
›
What Is the Ideal Temperature Range for Garden rockcress?
The ideal temperature range for Arabis caucasica is between 50°F and 75°F. This range allows the plant to thrive, encouraging optimal growth and flowering. Within this range, the conditions mimic its natural habitat, promoting healthy foliage and strong root systems. Maintaining this temperature ensures that the plant can perform photosynthesis effectively, utilizing nutrients efficiently.
What Soil is Best for Garden rockcress?
Arabis caucasica thrives in well-draining soil that prevents water from pooling around the roots, minimizing the risk of root rot. This ensures optimal moisture levels, promoting healthy root development and plant growth. A soil enriched with essential nutrients supports robust growth and vibrant blooms. Providing ample nutrients encourages strong plant structure and increases resistance to pests and diseases. While well-draining, the soil should retain enough moisture to sustain the plant during dry spells. This balance prevents stress from drought conditions, ensuring consistent growth and flowering.
How to Fertilize Garden rockcress?
For Arabis caucasica, it's important to use a balanced fertilizer with equal parts of nitrogen, phosphorus, and potassium. Apply liquid fertilizer at a rate of one tablespoon per gallon of water, and ensure the soil is moist before application to avoid root burn.
How to Prune Garden rockcress?
Start by examining your Arabis caucasica carefully and removing any dead or diseased leaves and stems. This not only improves the plant’s aesthetics but also prevents the spread of diseases. Prune lightly to maintain your desired shape and size. Focus on cutting back leggy or straggly growth to encourage a more compact and bushy appearance. This can be done by cutting back to the nearest healthy leaf or bud. After the flowering period, cut back faded blooms to promote further blossoming. Deadheading regularly keeps your plant looking fresh and encourages it to produce more flowers throughout the growing season.
More About Pruning Techniques→
How to Propagate Garden rockcress plant?
1
Start by filling a seed tray with potting mix. Sow the seeds thinly and cover them with a light layer of compost. Keep the seeds in a warm and bright location but away from direct sunlight until germination occurs.
2
Select a healthy stem during early spring and cut a 4-6 inch length just below a node. Strip the lower leaves, dip the cut end in rooting hormone, and plant it in a pot with potting mix. Ensure it remains moist and warm.
3
Divide the clumps of Arabis caucasica in spring. Carefully dig up a mature plant, and separate the roots into smaller sections, then replant these sections at the same depth in a prepared garden bed or pot.
How to Repot Garden rockcress plant?
1
Arabis caucasica shows signs of needing repotting when its roots start emerging from the drainage holes or the growth becomes stunted. Additionally, when the plant seems to dry out faster despite regular watering, these are strong indicators it's time for a new pot.
2
Select a pot that is just one size larger than the current pot, with ample drainage holes. Avoid using oversized pots as they can lead to waterlogging, which can be detrimental. A well-sized pot supports a balanced moisture level, which benefits root health and overall growth.
3
Opt for a mix that ensures excellent drainage, like a sandy or loamy soil blend. Such soil prevents water accumulation around the roots, thereby reducing the risk of root rot and promoting air circulation which is beneficial for healthy root development.
