Sizzling Igloo Hardy Mum

Sizzling Igloo Hardy Mum (Dendranthema 'Sizzling Igloo')

Sizzling Igloo Hardy Mum is a compact, cold-tolerant perennial producing masses of bright yellow blooms from late summer into fall. Its dense, dome-shaped habit delivers reliable seasonal color in borders, containers, and mass plantings.

Distinctive Features

Uniform mounding form covered in clear yellow daisies provides high-impact fall display, while sturdy branching and tight internodes keep plants tidy without staking.

Growing Conditions

• Sun Exposure: Full sun for best flowering.
• Soil: Well drained, fertile soil enriched with organic matter.
• Water: Keep evenly moist, especially during bud set and bloom.
• USDA Hardiness Zones: 5 to 9.
• Mature Size: 1 to 2 ft tall and 1 to 2 ft wide.

Ideal Uses

• Focal Point: Bright yellow flower domes draw attention at entries and patios.
• Containers: Reliable seasonal color on steps, porches, and decks.
• Mixed Borders: Fills late-season gaps among shrubs and perennials.
• Mass Planting: Creates bold color blocks along walks and beds.
• Cut Flowers: Sturdy stems and lasting blooms suit arrangements.

Low Maintenance Care

• Watering: Maintain consistent moisture, allowing the top inch to dry slightly between waterings.
• Pruning: Pinch shoots from late spring to early summer to promote branching; deadhead to extend bloom.
• Fertilizing: Feed with a balanced fertilizer in spring and again midseason.
• Mulching: Apply 2 to 3 in of mulch to conserve moisture and buffer temperature swings.
• Notes: In colder zones, cut back after hard frost and mulch crowns for winter protection.

Why Choose Sizzling Igloo Hardy Mum?

• True Yellow Color: Clear, cheerful blooms brighten fall displays.
• Compact Habit: Tidy mounds fit neatly into beds and containers.
• Extended Season: Late-summer to fall flowers keep color going.
• Versatility: Performs in landscapes and pots with equal success.
• Easy Care: Minimal staking and simple pinching produce full plants.

Plant in full sun with well drained soil, pinch early for dense mounds, and water steadily through bud set for the strongest fall show.