Danish Scurvygrass
cochlearia danica
Also known as: ["Coastal Scurvygrass","Scurvy Grass"]
Overview
A low-growing herbaceous plant native to coastal regions, valued for its vitamin C-rich leaves.
Benefits & Perks
["edible fruits","medicinal use","culinary herb","wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Cochlearia |
| Botanical Name: | Cochlearia danica |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: rock gardens, coastal areas, or containers in partial sun
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–25°C"}
- Hardiness: {"zones":"5–9"}
- Misting: rarely required, only if grown in very dry indoor conditions
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, sandy loam with some organic matter; avoid heavy clay soils.
Maintenance Level
- Maintenance Level: low
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 2–3 months or after flowering.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight per day preferred, especially in cooler climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh midday sun in hot climates; ensure adequate ventilation if grown indoors.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun to partial shade
Rotate plants for even light exposure; use sheer curtains to filter intense sun; avoid placing in drafty areas.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly but infrequently; ensure good drainage; avoid waterlogging.
Soil
well-draining, sandy loam with moderate organic content
pH: Slightly acidic to neutral, pH 6.0–7.0.
Use a mix of potting soil and sand; avoid compacted soil; ensure pots have drainage holes.
Temperature
Cool to moderate temperatures, ideally 50–70°F (10–21°C); tolerates frost but prefers mild conditions.
Avoid sudden temperature fluctuations; protect from cold drafts; maintain consistent cool temperatures.
Fertilizing
every 4–6 weeks during active growth with a balanced liquid fertilizer
Apply fertilizer to moist soil; flush soil occasionally to prevent salt buildup; stop fertilizing in late autumn.
Propagation
Methods
Stem cuttings or seed; stem cuttings are faster and more reliable.
Step-by-Step Propagation Guide
- Take a 3–4 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in moist medium.
- Keep humid and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix, such as a mix of peat and perlite.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots typically form in 2–4 weeks; plants may be ready to transplant in 8–12 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium.
Quick Tips
Use clean tools to prevent disease; maintain high humidity for faster rooting; avoid direct sunlight.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; trim leggy stems to maintain compact growth.
Pruning Plan
Light pruning to maintain shape and encourage bushier growth; remove dead or damaged foliage.
Tools
Pruning shears, clean scissors.
Checklist
Use clean tools; prune dead or damaged growth; shape as desired; dispose of clippings properly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size up from current pot; ensure good drainage holes.
Method
Gently remove plant; trim any circling roots; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for maintaining vigor.
Checklist
Choose appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water thoroughly; ensure drainage; adjust frequency seasonally.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water early in the day to minimize evaporation.
Watering Schedule Tips
Water regularly during active growth, allowing soil to dry slightly between waterings; reduce frequency in winter dormancy.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, stunted growth, or leaf drop in extreme heat or cold.
Cold Stress
Slows growth, may cause leaf discoloration, and can lead to root damage in severe frost.
Solution: Provide frost protection in winter; avoid overwatering in cold conditions; use mulch to insulate roots.
Hot Stress
Leaves may wilt, scorch, or drop; growth may become stunted in excessive heat.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid winter feeding; flush soil periodically.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength; fertilize every 4–6 weeks during active growth; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicCochlearia danica is not toxic to cats. The plant does not pose a significant risk if ingested by felines.
⚡ Toxic If:
if eaten
Dogs
Non-toxicCochlearia danica is not toxic to dogs. The plant is not known to cause adverse effects when ingested by canines.
⚡ Toxic If:
if eaten
Humans
Non-toxicCochlearia danica, commonly known as Danish scurvygrass, is not considered toxic to humans. It has historically been used as a culinary herb and for its high vitamin C content, which helps prevent scurvy.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Danish Scurvygrass safe for pets?
A: Yes, it is non-toxic to dogs and cats.
Q: Can I use Danish Scurvygrass in cooking?
A: Yes, its leaves are edible and rich in vitamin C.
Q: Does this plant attract wildlife?
A: Yes, it attracts bees and butterflies.
Quick Reference
| Family: | Brassicaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days, allowing so |
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