Zinnia.

En un coup d'œil

Niveau d'entretien

Facile

Type de plante

Annual

Lumière

Full sun

Lumière en intérieur

Soleil direct

Arrosage

Tous les 3 à 7 jours

Taille adulte

1 to 3 feet

Croissance

Rapide

Rusticité

USDA 2 à 11

Floraison

Early summer to first frost

Entretien

Plant these in a spot with plenty of sunlight and good air circulation to keep powdery mildew away. Deadhead spent blooms regularly to encourage the plant to keep producing new flowers. Watch for yellowing leaves which can indicate overwatering or poor drainage.

Arrosage

Water at the base of the plant to keep the foliage dry and prevent fungal issues.

Engrais

Apply a balanced liquid fertilizer once a month to support heavy blooming.

Taille

Pinch off faded flowers to keep the plant tidy and promote more growth.

Rempotage

As annuals, these are typically grown in the ground and do not require repotting.

Sol

Well draining fertile soil

pH du sol

6.0 to 7.5

Température

10 à 35°C

Humidité

40 à 60%

Résistance à la sécheresse

Moyenne

Durée de vie

Annual, completes its life cycle in one season.

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

This plant is non toxic to humans.

Enfants

The stems are somewhat brittle, but there are no specific ingestion or handling hazards for children.

Allergènes de contact

The rough, hairy leaves can cause mild skin irritation in sensitive individuals.

Allergènes aéroportés

The pollen can trigger mild reactions in those with severe seasonal allergies.

Comestibilité

While not toxic, these are grown for ornament and may be treated with pesticides.

Comment l'identifier

• Brightly colored daisy like flower heads
• Opposite lance shaped or oval leaves
• Sturdy upright branching stems
• Rough textured foliage

Hauteur

0,3 à 1m

Envergure

0,2 à 0,45m

Feuilles

green, deciduous

Fleurs

red, pink, orange, yellow, white, purple, 3 à 12cm

Problèmes courants

• Powdery Mildew — A white fungal growth on leaves caused by high humidity and poor air circulation.

La cultiver

Multiplication

seed

Quand planter

spring

Hivernage

These are annuals and will die with the first frost, so simply remove the spent plants from the garden.

En pot

They grow very well in pots, provided the container is at least 25 centimeters deep.

Plant them in groups to create a dense display that shades out weeds.

Bonnes associations

• Garden cosmos — They share similar light and water needs and look beautiful together.
• Souci — These make a classic, colorful pairing in summer borders.

Espèces similaires

• Zinnia haageana — It is a smaller, more compact relative with similar cultural requirements.

Science

Famille

Asteraceae

Genre

Zinnia

Ordre

Asterales

Classe

Magnoliopsida

Région d'origine

Mexico and Central America

Préservation

This plant is common and not of conservation concern.

It thrives in open, sunny areas where it can quickly establish itself during the warm season.

Intérêt pour la faune

nectar source

Pollinisateurs

abeilles, papillons, colibris

Utilisations

cut flowers, pollinator gardens, bedding plants

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Do I need to deadhead my zinnias?

Yes, removing faded flowers helps the plant focus energy on producing new buds.

Can I grow zinnias in pots?

Absolutely, they thrive in containers as long as they have good drainage.

D'où vient le nom

The genus name honors Johann Gottfried Zinn, who brought the plant to Europe. The species name elegans refers to the elegant appearance of the blooms.

Bon à savoir

• Zinnias are members of the Asteraceae family, related to sunflowers.
• They were named after the German botanist Johann Gottfried Zinn.
• Cutting the flowers encourages the plant to produce more blooms.