African Sunset

Family: Solanaceae Garden Petunia

Planting Schedule

Provide your location or planting zone to unlock dates and add African Sunset to a garden.

A living cascade of color, African Sunset drapes the garden in velvety, sunset-bright blooms that seem to glow from within—warm apricot-orange to ember-red with darker, velvety throats.

Each flower carries a soft, slightly ruffled texture and a generous, open trumpet silhouette that invites lingering admiration from spring through fall. Perfect for trailing over containers, window boxes, and hanging baskets, African Sunset brings nonstop showy color to borders and pathways as a spreading annual centerpiece.

Light: Full SunMaturity: 90 DaysHabit: Spreading

Botanical illustration of African Sunset

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African Sunset 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 23rd – Aug 29th
Zone 2b	Mar 6th	May 15th	Aug 13th – Aug 25th
Zone 3a	Mar 6th	May 15th	Aug 13th – Sep 1st
Zone 3b	Mar 10th	May 19th	Aug 17th – Sep 21st
Zone 4a	Mar 6th	May 15th	Aug 13th – Sep 24th
Zone 4b	Mar 4th	May 13th	Aug 11th – Sep 27th
Zone 5a	Feb 27th	May 8th	Aug 6th – Sep 30th
Zone 5b	Feb 23rd	May 4th	Aug 2nd – Oct 5th
Zone 6a	Feb 20th	May 1st	Jul 30th – Oct 10th
Zone 6b	Feb 14th	Apr 25th	Jul 24th – Oct 16th
Zone 7a	Feb 9th	Apr 20th	Jul 19th – Oct 20th
Zone 7b	Jan 30th	Apr 10th	Jul 9th – Oct 28th
Zone 8a	Jan 21st	Apr 1st	Jun 30th – Nov 5th
Zone 8b	Jan 12th	Mar 23rd	Jun 21st – Nov 12th
Zone 9a	Dec 26th	Mar 6th	Jun 4th – Nov 26th
Zone 9b	Dec 1st	Feb 9th	May 10th – 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	90
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

Culinary Notes

Chef's Note

Edible petunia blooms are all about restraint: they taste floral and faintly sweet, so treat them like punctuation rather than a main ingredient. African Sunset’s velvety trumpet makes a beautiful edible garnish, but keep pairing acid (citrus, wine) front-and-center so the flavor stays bright instead of soapy.

Best Uses

Use sparingly as an edible garnish on acidic dishes where the sweetness doesn’t clash—think citrusy salads and crudo
Candy-like petals: lightly macerate in sugar for a quick, decorative finish on cakes or panna cotta
Infuse into simple syrups or milk/cream for a delicate floral tint—no long steeping

Flavor Profile

Buttery-leaning, faintly grassy floral flavor Soft, ruffled trumpet texture with a mild snap when fresh Subtly sweet with a restrained, solanaceous edge

Kitchen Pairings

lemon honey vanilla aged cheese sparkling wine basil

Frequently Asked Questions

What pest or disease most commonly affects Petunia × atkinsiana (African Sunset), and how can I treat it?

Petunias are especially prone to aphids and botrytis (gray mold) during cool, humid stretches. For aphids, spray infested growth with insecticidal soap and repeat every 5–7 days until you stop seeing clusters. To prevent botrytis, keep leaves and flowers as dry as possible (water at the soil line) and remove any gray, mushy blooms immediately; if problems persist, use a labeled fungicide for botrytis on petunias.

How often should I water Petunia × atkinsiana during the main growing phase?

During active growth, keep the root zone evenly moist but never waterlogged—aim for top 1 inch of soil to dry slightly between waterings. In full sun and warm weather, this often means watering about 1–2 times per week, but container plants may need more frequent checks. If the soil feels wet or smells sour, slow down to avoid root stress that invites disease.

How do I know when African Sunset (Petunia × atkinsiana) is ready to harvest?

African Sunset is typically grown for continuous flowering rather than a single “harvest,” and flowers are considered ready as soon as buds swell and colors fully open. For best bloom performance, pinch or cut spent flowers when they fade—this is the practical harvest step that triggers new bud formation. If you’re collecting seeds from Solanaceae petunias, let seed pods dry on the plant and harvest only when pods turn papery and begin to split.