Snapdragon

antirrhinum majus

Also known as: ["Garden Snapdragon","Dragon Flower"]

Family: Plantaginaceae Genus: Antirrhinum Category: Flowers

Overview

A popular ornamental plant known for its colorful, snapdragon-shaped flowers that open when squeezed.

Benefits & Perks

["long-flowering","fragrant flowers","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Lamiales
Family: Plantaginaceae
Genus: Antirrhinum
Botanical Name: Antirrhinum majus

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: outdoor garden bed in full sun, or container on a sunny patio
  • Suitable For:
    Beginners Outdoor Landscapers Fragrance Lovers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–30°C"}
  • Hardiness: {"zones":"7–10"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, loamy soil with added organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: After flowering or every 4–6 weeks during growing season.
  • Pruning Intensity: Moderate; remove up to one-third of growth to stimulate new shoots.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); partial shade in intense summer heat.

Sunlight Tolerance Tips:
Acclimate plants gradually to direct sun; protect from harsh midday sun; move indoors if outdoor temperatures drop below 50°F (10°C).

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

Care Requirements

Care Difficulty
easy

easy

Sunlight

full sun

Rotate plants for even growth; use sheer curtains to filter intense light; avoid placing near east-facing windows in summer.

Watering

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

Water thoroughly but allow soil to dry between waterings; avoid overhead watering to prevent fungal issues.

Soil

well-draining, loamy soil with added organic matter

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

Use a pot with drainage holes; avoid heavy clay soils; top-dress with compost annually.

Temperature

60–70°F (15–21°C) for optimal growth; tolerate light frost but thrive in moderate warmth.

Avoid sudden temperature changes; protect from drafts; maintain consistent room temperature indoors.

Fertilizing

every 2 weeks during active growth with balanced liquid fertilizer, none in winter

Dilute fertilizer to half strength; avoid fertilizing dry soil; flush soil occasionally to prevent salt buildup.

Propagation

Methods

Stem cuttings or seed; stem cuttings are faster and more reliable 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 humid.

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

Environment

High humidity (70–80%), warm temperatures (65–75°F), and indirect light.

Medium

Well-draining mix of perlite and peat moss or cactus mix.

Hormone

Rooting hormone is optional but recommended for faster rooting.

Timeline

Roots develop in 2–3 weeks; new growth appears in 4–6 weeks.

Tools Needed

Pruning shears, rooting hormone, small pots, misting spray bottle.

Quick Tips

Use healthy, non-flowering stems; maintain humidity with a plastic bag; avoid direct sun during rooting.

Pruning & Repotting

Pruning Guide
Method

Pinch back tips or cut stems just above a leaf node to promote branching.

Pruning Plan

Prune to encourage bushier growth, remove spent flowers, and maintain shape.

Tools

Clean pruning shears or sharp scissors.

Checklist

Sanitize tools; prune dead or yellowing leaves; remove spent flowers; shape as desired.

Repotting Guide
Best Season

Spring, before the active growing season begins.

Pot Size

Choose a pot 1–2 inches larger in diameter than the current one.

Method

Remove plant gently; trim any circling roots; place in a new pot with fresh soil; water lightly.

Suggestions

Repot every 1–2 years or when roots fill the pot; beneficial for young plants to support growth.

Checklist

Select appropriate pot; prepare fresh soil mix; handle roots carefully; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; adjust for season.

How to Apply Water Properly

Water at the base of the plant, ensuring even moisture reaches the root zone; allow excess water to drain away to prevent waterlogging.

Pro Tip: Use a watering can with a narrow spout to direct water precisely to the soil around the roots.
Watering Schedule Tips

Water when the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or sand for drainage; incorporate compost for fertility; ensure soil is loose and airy.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in extreme heat or cold; yellowing leaves in cold stress.

Cold Stress

Slows growth, weakens stems, and may cause leaf damage or death in prolonged cold.

Solution: Move to a warmer location; cover with a frost cloth; avoid watering excessively in cold conditions.

Hot Stress

Leaves may scorch, flowers may drop, and growth may slow in excessive heat.

Solution: Provide shade during peak heat; increase watering; use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Check fertilizer type; dilute correctly; apply during active growth; avoid dormant periods.

Fertilizing Method

Use balanced liquid fertilizer every 2–3 weeks during growing season (spring/summer); reduce or stop in fall/winter.

Common Problems & Solutions

Yellowing leaves in Antirrhinum majus can indicate nutrient deficiencies, overwatering, or pest infestations, potentially affecting photosynthesis and overall plant health.

Wilting in Antirrhinum majus is often caused by water stress, either due to drought or overwatering, which can lead to root damage and reduced turgidity.

Leaf spots on Antirrhinum majus are commonly caused by fungal or bacterial infections, which can lead to defoliation, reduced photosynthesis, and weakened plant vigor.

Rotting in Antirrhinum majus is typically associated with fungal infections or bacterial pathogens, often resulting from excessive moisture, leading to decay of roots, stems, or leaves.

Toxicity Warning

Cats
Non-toxic

Antirrhinum majus is not known to be toxic to cats. There are no documented cases of adverse effects from ingestion or contact with this plant.

⚡ Toxic If:

Generally non-toxic to cats

While non-toxic, monitor your pet if they consume any plant material to ensure no unexpected reactions occur.
Dogs
Non-toxic

Antirrhinum majus is not known to be toxic to dogs. There are no documented cases of adverse effects from ingestion or contact with this plant.

⚡ Toxic If:

Generally non-toxic to dogs

While non-toxic, monitor your pet if they consume any plant material to ensure no unexpected reactions occur.
Humans
Non-toxic

Antirrhinum majus, commonly known as snapdragon, is generally considered non-toxic to humans. There are no significant toxic effects or physiological impacts reported from typical exposure.

⚡ Toxic If:

Generally non-toxic to humans

While non-toxic, it is always advisable to avoid ingesting any plant material not intended for consumption.

Frequently Asked Questions

Q: Are snapdragons toxic to pets?

A: Snapdragons are mildly toxic to dogs and cats if ingested.

Q: How often should snapdragons be watered?

A: Water snapdragons when the top inch of soil feels dry, typically every 1-2 days during hot weather.

Q: Do snapdragons attract pollinators?

A: Yes, snapdragons are known to attract bees, butterflies, and other pollinators.

Quick Reference
Family: Plantaginaceae
Care: easy
Light: full sun
Water: every 7–10 days during activ
Suitable For: ["beginners","outdoor landscapers","fragrance lovers","wildlife supporters (attracts bees, butterflies, birds)"]
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