Life Cycle
Perennial
Plant Characteristics
Spreading
Growth Habit
Bushy
Bloom Season
Spring to fall
Flavour Profile
Not edible
Suitable for
Both
Seed Type
Flower seeds
Plant Type
Ornamental
Planting Season
Spring
Fruit Size
N/A
Plant Height
20–30 cm
Light Requirement
Full sun
Water Needs
Moderate
Hardiness Zones
Zones 9–11
Container Garden
Yes
Plant Spacing
20–25 cm
Planting Depth
0.3–0.5 cm
Growing Conditions
Well-drained soil
Frequently Asked Questions
Are all red petunias the same type, or do varieties differ?
Are all red petunias the same type, or do varieties differ?
Red petunias come in multiflora, grandiflora, and spreading types, which vary in bloom size, flower count, and weather tolerance.
Does red petunia color hold up well in strong sun?
Does red petunia color hold up well in strong sun?
Deep red petunia blooms can sometimes appear slightly darker or fade a touch under intense midday sun compared to cooler morning light.
How well do red petunias handle heat and rain?
How well do red petunias handle heat and rain?
Multiflora types tend to tolerate heat and rain better, while large-bloom grandiflora types can bruise more easily in heavy rain.
Are red petunias good for hanging baskets?
Are red petunias good for hanging baskets?
Spreading and trailing red petunia varieties work well in hanging baskets, while compact types suit garden beds better.
Do hummingbirds visit red petunia flowers?
Do hummingbirds visit red petunia flowers?
Yes, the tubular shape and red color of these blooms make them attractive to hummingbirds as well as bees.
Do red petunias need deadheading to keep blooming?
Do red petunias need deadheading to keep blooming?
Removing spent flowers encourages continuous blooming, though some newer varieties are bred to self-clean without deadheading.