Shasta Daisy (Leucanthemum maximum)

Shasta Daisy

Leucanthemum maximum

Daisy-like blooms carry bright, cheerful charm across summer meadows. Herbaceous perennial flowering plant; common name: Shasta daisy.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright, direct sunlight for most of the day, with light afternoon shade tolerated in hot climates
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Watering Water deeply when the top 5–7 cm of soil is dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Hardy to -30°C; tolerates summer heat up to 35°C with consistent soil moisture
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Characteristics

  • Leaf: Dark green, lanceolate to oblong leaves with serrated margins, arranged in basal rosettes
  • Flower: Classic daisy blooms with white ray florets surrounding yellow central disc florets, 7–10 cm in diameter
  • Stem: Erect, sturdy green stems with sparse foliage
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Water 1–2 times weekly during active growth; ensure soil stays evenly moist

Fertilization

Apply balanced granular fertilizer once at emergence. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to support flowering without causing nutrient burn
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
  • Cut back foliage to 5 cm above soil after first frost in autumn to prepare for winter dormancy
  • Thin overcrowded clumps every 2–3 years in early spring to improve airflow and reduce disease risk
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Pet & Human Toxicity & Emergency Guide

🟢 Pet-Safe (Non-Toxic to Cats & Dogs)

Pet Safety Verified: According to clinical veterinary databases (ASPCA), Shasta Daisy (Leucanthemum maximum) is non-toxic to both cats and dogs, making it an excellent choice for pet-friendly homes.

Pet Tolerance

Leaves, stems, and flowers contain no systemic toxins or hazardous oxalates; safe for curious puppies and kittens.

Mild Fiber Sensitivity

While non-toxic, excessive consumption of fibrous leaves may cause mild, temporary stomach upset or regurgitation.

Recommended Placement

Safe for low tables, living rooms, and active pet environments.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Shasta Daisy (Leucanthemum maximum):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Shasta Daisy?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Shasta Daisy?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Shasta Daisy toxic to pets?

ASPCA: Non-toxic to cats; no reported toxicity

When should I repot my Shasta Daisy?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: Symbolizes purity, innocence, and cheerful optimism in Western floral traditions

Usage: Ornamental garden plant; popular cut flower for fresh floral arrangements

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