Rock Jasmine

androsace chamaejasme

Also known as: ["Rock Jasmine","Alpine Rock Jasmine"]

Family: Primulaceae Genus: Androsace Category: Flowers

Overview

A low-growing perennial herb native to alpine regions, characterized by its rosettes of fleshy leaves and small, star-shaped flowers.

Benefits & Perks

["drought tolerant","shade tolerant","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Ericales
Family: Primulaceae
Genus: Androsace
Botanical Name: Androsace chamaejasme

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: rock gardens, alpine troughs, or containers in a cool, bright spot
  • Suitable For:
    Beginners Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"0–25°C"}
  • Hardiness: {"zones":"4–8"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining.
  • Soil Type: Sandy, gritty, well-draining soil with some organic matter.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: As needed, typically after flowering or when dead leaves accumulate.
  • Pruning Intensity: Light pruning.
Care Details

Ideal Sunlight Coverage:
Bright indirect light or full sun (4–6 hours/day). Adjust to avoid scorching in intense summer sun.

Sunlight Tolerance Tips:
Acclimate gradually to intense light; provide shade during peak summer hours; ideal for rock gardens or alpine troughs.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor drainage or incorrect soil conditions.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun to partial shade

Avoid deep shade; protect from harsh midday sun; rotate regularly for even growth.

Watering

every 7–10 days during active growth, reduce in winter

Water deeply but infrequently; avoid waterlogged soil; prioritize dry periods over strict schedules.

Soil

well-draining, sandy loam with some organic matter

pH: Slightly acidic to neutral (pH 6.0–7.0).

Ensure excellent drainage; avoid heavy clay soils; amend with grit if needed.

Temperature

Cool to cold temperatures (50–65°F or 10–18°C). Tolerates frost but prefers cool conditions over heat.

Keep cool in summer; protect from extreme cold; avoid sudden temperature swings.

Fertilizing

every 4–6 weeks during spring and summer

Dilute fertilizer to half strength; fertilize only when actively growing; stop in fall/winter.

Propagation

Methods

Stem cuttings or division.

Step-by-Step Propagation Guide
  1. Take cuttings.
  2. Apply hormone (optional).
  3. Plant in medium.
  4. Maintain humidity.
  5. Wait for roots.

Best Time: Spring or early summer when the plant is actively growing.

Environment

Warm, humid, and bright indirect light with good air circulation.

Medium

Well-draining mix of perlite and peat moss.

Hormone

Optional, but rooting hormone can improve success rates.

Timeline

Roots develop in 3–6 weeks; establish in 2–3 months.

Tools Needed

Sharp scissors, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; keep consistently moist but not waterlogged; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Snip off dead or yellowing leaves; trim back straggly stems to encourage compact growth.

Pruning Plan

Minimal pruning; focus on removing dead or damaged foliage to maintain shape and health.

Tools

Clean, sharp scissors or small pruning shears.

Checklist

Remove dead leaves; trim overgrown stems; clean tools before and after use.

Repotting Guide
Best Season

Early spring before active growth begins.

Pot Size

One size up from current pot; ensure good drainage.

Method

Gently remove plant; trim roots if necessary; repot in fresh, well-draining soil with a slightly larger pot.

Suggestions

Repot only when the plant becomes root-bound or soil degrades. Typically every 2–3 years.

Checklist

Check root health; use fresh soil; ensure drainage; water lightly after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil dryness; water deeply; ensure drainage; reduce in winter.

How to Apply Water Properly

Water directly at the root zone until water drains from the bottom, ensuring even moisture without saturation. Water in the morning to allow foliage to dry.

Pro Tip: Use a watering can with a narrow spout to target the soil directly at the base of the plant.
Watering Schedule Tips

Water sparingly, allowing soil to dry completely between waterings. Reduce frequency significantly during winter dormancy.

Soil Improvement

Add perlite, coarse sand, or pumice to improve drainage; incorporate compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in excessive heat; yellowing or rot in overly cold/wet conditions.

Cold Stress

Low temperatures slow growth but are tolerated. Prolonged cold with wet soil can cause root rot.

Solution: Ensure well-draining soil; protect from excessive moisture in cold; provide frost protection if temperatures drop below freezing.

Hot Stress

Excessive heat can cause scorching, wilting, or dormancy. Heat stress is more damaging than cold stress.

Solution: Provide afternoon shade; increase air circulation; water carefully to avoid heat shock.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; apply during growing season; avoid winter feeding.

Fertilizing Method

Use a balanced, diluted liquid fertilizer monthly during active growth (spring/summer). Avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Androsace chamaejasme may indicate nutrient deficiencies, overwatering, or pest infestations, affecting photosynthesis and overall plant health.

Wilting in Androsace chamaejasme can result from water stress, either due to drought or overwatering, leading to impaired nutrient uptake and potential plant death.

Leaf spots on Androsace chamaejasme may be caused by fungal or bacterial pathogens, leading to reduced photosynthetic efficiency and potential leaf loss.

Rotting, particularly root or stem rot, can occur in Androsace chamaejasme due to excessive moisture or fungal infections, compromising structural integrity and nutrient transport.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal symptoms if they ingest parts of Androsace chamaejasme. The plant poses a low risk but should still be handled with care.

⚠️ Symptoms:
vomiting diarrhea loss of appetite
🌿 Toxic Parts:
roots leaves
⚡ Toxic If:

if eaten

Keep plants away from cats; seek veterinary advice if ingestion is suspected.
Dogs
Slightly Toxic

In dogs, ingestion of Androsace chamaejasme may lead to mild gastrointestinal upset. The plant is not considered highly toxic, but caution is advised.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
roots leaves
⚡ Toxic If:

if eaten

Monitor pets closely; consult a veterinarian if ingestion occurs.
Humans
Slightly Toxic

Androsace chamaejasme contains compounds that can cause mild gastrointestinal distress when ingested in significant quantities. The plant's effects are generally not severe but can lead to discomfort.

⚠️ Symptoms:
nausea stomach discomfort diarrhea
🌿 Toxic Parts:
roots leaves
⚡ Toxic If:

if eaten

Avoid ingestion; keep out of reach of children and pets.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Androsace chamaejasme toxic to pets?

A: No, it is non-toxic to dogs and cats.

Q: What are the ideal growing conditions for this plant?

A: It thrives in alpine or rock garden settings with well-drained soil and partial shade.

Q: Does this plant attract wildlife?

A: Yes, it attracts bees and butterflies due to its nectar-rich flowers.

Quick Reference
Family: Primulaceae
Care: moderate
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["beginners","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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