Petunia grandiflora · Solanaceae

Petunia

✅ Pet-friendlyAnnual life cycle, requiring replanting each year.25 to 60 cm

LightFull sun, tolerates partial shade

WaterMedium, slightly moist soil

DifficultyEasy

ColdDoes not tolerate temperatures below 0 degrees Celsius.

Full sun, tolerates partial shadeMedium, slightly moist soilEasyDoes not tolerate temperatures below 0 degrees Celsius.

Description & origin

The petunia is a popular herbaceous plant known for its vibrant and varied flowers. It is often used in gardens and balconies, bringing color and joy to the space.

Size

Typically grows between 25 to 60 cm in height, depending on the variety.

Foliage

Green, oval leaves that complement the colorful flowers.

Flowering

Blooms abundantly during spring and summer, attracting pollinators.

Detailed care

Light

Prefers full sun but tolerates some partial shade.

Soil

Well-drained, organic-rich soil is ideal for its growth.

Watering

Medium watering, keeping the soil slightly moist but avoiding waterlogging.

Temperature

Prefers temperatures between 15 and 25 degrees Celsius, avoiding frost.

Fertilising

Fertilize every 4-6 weeks with a balanced fertilizer during the growing season.

Repotting

Transplant when plants reach about 10 cm in height, ensuring enough space between them.

Pruning

Light pruning after flowering to encourage new growth and blooming.

Propagation

Can be propagated by seeds or stem cuttings.

Common problems

Powdery mildew

Fungal disease that causes spots on leaves and can lead to premature leaf drop.

Aphids

Insects that feed on sap, causing leaf and flower deformities.

Leaf burn

Can occur due to excessive sun or lack of water, resulting in dry, burned leaves.

Uses & curiosities

In the garden

Ideal for flower beds and borders
Perfect for balconies and terraces
Attracts pollinators like bees and butterflies

Other uses

Used in floral arrangements and event decoration.

Did you know…

Petunias are native to South America and were introduced to Europe in the 19th century. There are many varieties with flowers that vary in color and size.