Hulahula Cherry

Family: Solanaceae Garden Petunia

Planting Schedule

Provide your location or planting zone to unlock dates and add Hulahula Cherry to a garden.

Hulahula Cherry blooms in a riot of velvety, cherry-red rosettes with a luminous, near-black throat that seems to glow from within.

The trailing, spreading habit drapes beautifully, producing a dense cascade of blooms with a soft, satin-like texture that holds its color through the season. Grow Hulahula Cherry for show-stopping beds, baskets, and edging—its nonstop floral display makes it a standout ornamental in any sunny spot.

Light: Full SunMaturity: 70 DaysHabit: Spreading

Botanical illustration of Hulahula Cherry

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Hulahula Cherry Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Mar 16th	May 25th	Aug 3rd – Aug 29th
Zone 2b	Mar 6th	May 15th	Jul 24th – Aug 25th
Zone 3a	Mar 6th	May 15th	Jul 24th – Sep 1st
Zone 3b	Mar 10th	May 19th	Jul 28th – Sep 21st
Zone 4a	Mar 6th	May 15th	Jul 24th – Sep 24th
Zone 4b	Mar 4th	May 13th	Jul 22nd – Sep 27th
Zone 5a	Feb 27th	May 8th	Jul 17th – Sep 30th
Zone 5b	Feb 23rd	May 4th	Jul 13th – Oct 5th
Zone 6a	Feb 20th	May 1st	Jul 10th – Oct 10th
Zone 6b	Feb 14th	Apr 25th	Jul 4th – Oct 16th
Zone 7a	Feb 9th	Apr 20th	Jun 29th – Oct 20th
Zone 7b	Jan 30th	Apr 10th	Jun 19th – Oct 28th
Zone 8a	Jan 21st	Apr 1st	Jun 10th – Nov 5th
Zone 8b	Jan 12th	Mar 23rd	Jun 1st – Nov 12th
Zone 9a	Dec 26th	Mar 6th	May 15th – Nov 26th
Zone 9b	Dec 1st	Feb 9th	Apr 20th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

Frequently Asked Questions

What’s a common pest or disease for Petunia × atkinsiana (Hulahula Cherry), and how do I control it?

Watch for powdery mildew and gray mold, which show up as white coating on leaves or fuzzy gray growth during humid periods. Improve airflow by spacing plants and watering at the soil line, then remove badly affected leaves; for mildew, apply a sulfur-based or potassium bicarbonate spray according to the label. If you see persistent wilting with gray/brown stem rot, remove the plant to protect neighbors and avoid overhead watering.

How often should I water Hulahula Cherry petunias during active growth?

During the main growing phase, keep the root zone evenly moist but never waterlogged—water when the top 1 inch of soil feels dry. In full sun, that often means watering about 1–2 times per week, but containers may need more frequent watering depending on heat. After watering, let excess drain fully so plants don’t sit in wet soil, which increases rot risk.

How can I tell when Petunia × atkinsiana (Hulahula Cherry) is ready to harvest?

Petunia × atkinsiana is typically grown for flowers, so harvest readiness means blooms are fully colored and show open, healthy petals. Start picking when each flower is at peak color and the center looks firm and fresh, then remove spent blooms regularly to keep new flowers coming. If you’re harvesting for seed (uncommon for home gardeners), wait until seed pods dry on the plant before collecting.