Petunia
Petunia integrifolia
Also listed as Salpiglossis integrifolia
Also known as Violet Petunia, Violetflower Petunia, Violet-flowered Petunia
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A tender perennial petunia with violet-purple flowers, typically grown as an annual in temperate climates. Blooms prolifically through warm months with minimal deadheading required.
Why grow it
Petunia integrifolia offers reliable, continuous blooming through the warm season with less maintenance than hybrid petunias, since it requires minimal deadheading to sustain flower production. Compared to many ornamental bedding petunias, this species tolerates heat and drought stress moderately well once established, making it useful in warm-season gardens where water conservation matters. Its violet-purple flowers provide a deeper, more saturated color option within the petunia genus.
Watch out for
In humid climates, watch for fungal diseases on foliage, particularly if plants are crowded or watered overhead; spacing and morning watering reduce this risk. Heavy afternoon heat in very hot regions can slow blooming temporarily, though plants typically recover as temperatures moderate. Performance as a true perennial depends on winter protection and mild climates; in most temperate zones it functions reliably as a seasonal annual.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Solanaceae
Native Range
Argentina, Brazil
Seasonality
Bloom Season
Season of Interest
Herb
Soft non-woody plants of the field layer.
Tolerances & Soil
pH Range
Establishment & Care
- Establishment
- Maintenance
- Propagation
A tender perennial petunia with violet-purple flowers, typically grown as an annual in temperate climates. Blooms prolifically through warm months with minimal deadheading required.
Climate Match for your location
See how well Petunia grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Petunia integrifolia offers reliable, continuous blooming through the warm season with less maintenance than hybrid petunias, since it requires minimal deadheading to sustain flower production. Compared to many ornamental bedding petunias, this species tolerates heat and drought stress moderately well once established, making it useful in warm-season gardens where water conservation matters. Its violet-purple flowers provide a deeper, more saturated color option within the petunia genus.
Watch out for
In humid climates, watch for fungal diseases on foliage, particularly if plants are crowded or watered overhead; spacing and morning watering reduce this risk. Heavy afternoon heat in very hot regions can slow blooming temporarily, though plants typically recover as temperatures moderate. Performance as a true perennial depends on winter protection and mild climates; in most temperate zones it functions reliably as a seasonal annual.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Solanaceae
Native Range
Argentina, Brazil
Seasonality
Bloom Season
Season of Interest
Herb
Soft non-woody plants of the field layer.
Tolerances & Soil
pH Range
Establishment & Care
- Establishment
- Maintenance
- Propagation
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