Denver Amaryllis (Hippeastrum 'Denver')

Denver Amaryllis

Hippeastrum 'Denver'

Its bold red blooms burst like festive lanterns atop sturdy stems. Flowering bulbous perennial; common name: Denver Amaryllis.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerate 2 hours of gentle morning direct sun, avoid harsh midday sun that can scorch leaves
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Watering Water thoroughly when the top 2 cm of soil feels dry; avoid overwatering to prevent bulb rot
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Temperature Thrives at 18–22°C during active growth; requires 10–15°C for 8–10 weeks to induce blooming dormancy
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Characteristics

  • Leaf: Long, strap-shaped, glossy green leaves emerging after flowering
  • Flower: Umbel of 4–6 large, funnel-shaped red blooms with subtle white throat markings
  • Bulb: Large, tunicated underground storage bulb for energy reserves
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Care Guide

Watering

Keep soil evenly moist during active growth and blooming

Fertilization

Diluted balanced liquid feed every 2 weeks during active growth. Do not fertilize dormant bulbs to avoid damaging storage tissues

Eggshell powder top dressing:Sprinkle 1 tsp of crushed, baked eggshell powder on soil surface; gently work into the top 1 cm of soil to avoid disturbing roots
Pruning
  • Cut spent flower stalks at the base after blooms fade to redirect energy to bulb growth
  • Remove yellowing leaves as they die back naturally during dormancy
  • Avoid cutting healthy green foliage until it fully wilts, as it provides nutrients to the bulb
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to vomiting, diarrhea, abdominal pain, drooling, and lethargy

Humans: Contains lycorine alkaloids; ingestion causes oral irritation, nausea, and vomiting

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Garden Uses & Culture

Culture: Associated with holiday cheer and new beginnings in winter decor

Usage: Indoor flowering ornamental; long-lasting cut flower for arrangements