Alpine Catchfly

viscaria alpina

Also known as: ["Alpine Silene","Mountain Catchfly"]

Family: Caryophyllaceae Genus: Viscaria Category: Flowers

Overview

A hardy annual or short-lived perennial with delicate pink or white flowers, native to alpine regions.

Benefits & Perks

["long-flowering","cold hardy","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Viscaria
Botanical Name: Viscaria alpina

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: rock gardens, alpine troughs, or raised beds with excellent drainage
  • Suitable For:
    Beginners Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"0–25°C"}
  • Hardiness: {"zones":"3–7"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent root rot.
  • Soil Type: Well-draining, loamy soil with added organic matter; avoid heavy clay soils.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: As needed, typically every 6–12 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 daily, with some afternoon shade in hot climates.

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh midday sun; adjust placement based on seasonal light changes.

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

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even growth; use sheer curtains to filter intense light; avoid direct sun during peak hours.

Watering

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

Water thoroughly but infrequently; ensure soil dries between waterings; avoid wetting foliage.

Soil

well-draining, sandy loam with some organic matter

pH: Slightly acidic to neutral, pH 6.0–7.0.

Use a mix of potting soil and perlite; avoid overwatering; check drainage regularly.

Temperature

Cool to moderate temperatures, 50–70°F (10–21°C); prefers cooler nights and tolerates frost.

Avoid placing near heat sources; protect from drafts; maintain consistent temperatures.

Fertilizing

every 4–6 weeks during spring and summer

Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; use organic options for gentle feeding.

Propagation

Methods

Stem cuttings or division; stem cuttings are more common for home growers.

Step-by-Step Propagation Guide
  1. Take a 4–6 inch cutting.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Keep moist 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 mix of peat, perlite, and sand; can also root in water initially.

Hormone

Optional but recommended for faster rooting.

Timeline

Roots may appear in 2–4 weeks; establish in new pots within 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; maintain humidity with a plastic cover; avoid overwatering.

Pruning & Repotting

Pruning Guide
Method

Pinch back tips for bushier growth; trim leggy stems to encourage branching.

Pruning Plan

Remove dead or damaged growth to encourage bushier plants; shape as needed for aesthetic purposes.

Tools

Clean, sharp pruning shears or scissors.

Checklist

Sanitize tools; prune dead/damaged growth; shape plant; dispose of clippings.

Repotting Guide
Best Season

Early spring before new growth begins.

Pot Size

One size larger pot; ensure it’s not too large to avoid waterlogging.

Method

Use fresh, well-draining soil; gently tease apart roots; place in a pot with drainage holes.

Suggestions

Repot every 2–3 years or when roots outgrow the container; prefers slightly root-bound conditions.

Checklist

Check root boundness; prepare new pot; use fresh soil; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wetting leaves.

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 in the morning to reduce evaporation.

Pro Tip: Use room temperature water to avoid shocking the roots.
Watering Schedule Tips

Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in extreme heat; browning leaf edges in cold stress.

Cold Stress

Slows growth and can cause leaf discoloration; prolonged cold may lead to root damage.

Solution: Provide frost protection in winter; avoid sudden temperature drops; ensure good air circulation.

Hot Stress

Leaves may scorch, wilt, or drop; growth may slow or stop in excessive heat.

Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with roots.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.

Common Problems & Solutions

Yellowing of leaves in Viscaria alpina can indicate nutrient deficiencies, particularly nitrogen or iron, or may result from environmental stress such as overwatering or poor drainage.

Wilting in Viscaria alpina is often a sign of water stress, either due to insufficient watering or root damage from overwatering, leading to impaired water uptake.

Leaf spots on Viscaria alpina may be caused by fungal or bacterial pathogens, often exacerbated by high humidity or poor air circulation, leading to defoliation if left untreated.

Rotting, particularly root or stem rot, in Viscaria alpina is typically caused by excessive moisture and poor soil drainage, leading to fungal infections and tissue decay.

Toxicity Warning

Cats
Non-toxic

Viscaria alpina is not considered toxic to cats. It does not produce any known compounds that are harmful when ingested by felines.

⚠️ Symptoms:
none
🌿 Toxic Parts:
none
⚡ Toxic If:

if eaten

No special precautions are needed for cats around this plant.
Dogs
Non-toxic

Viscaria alpina is not considered toxic to dogs. It does not produce any known compounds that are harmful when ingested by canines.

⚠️ Symptoms:
none
🌿 Toxic Parts:
none
⚡ Toxic If:

if eaten

No special precautions are needed for dogs around this plant.
Humans
Non-toxic

Viscaria alpina is not considered toxic to humans. It does not produce any known compounds that are harmful when ingested.

⚠️ Symptoms:
none
🌿 Toxic Parts:
none
⚡ Toxic If:

if eaten

No special precautions are needed for handling or growing this plant.

Frequently Asked Questions

Q: Is Viscaria alpina toxic to pets?

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

Q: Does this plant require much care?

A: It is low maintenance and quite tough once established.

Q: Where is Viscaria alpina best suited?

A: It thrives in alpine or cold climates and is ideal for rock gardens or borders.

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

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Annual Baby's Breath
View
Diffuse Chickweed
View
Sandwort
View
Irish Moss
View