Pocket BotanistGuide botanique
Dahlia.
Dahlia pinnata
Prononciation DAL-yuh pin-NAY-tuh
Aussi appelée Dahlia, Pinnate dahlia, garden dahlia
Dahlias are stunning tuberous perennials that bring vibrant color to gardens from midsummer until the first frost. They are famous for their intricate, geometric flower heads that come in a huge variety of shapes and sizes. These plants love the sun and need a bit of extra attention to keep them blooming their best.
En un coup d'œil
- Niveau d'entretien
- Moyenne
- Type de plante
- Tuberous perennial
- Lumière
- Full sun
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 3 à 7 jours
- Taille adulte
- 1 to 6 feet
- Croissance
- Rapide
Entretien
Plant your tubers in well-draining soil once the danger of frost has passed. Stake taller varieties early to prevent the heavy blooms from snapping the stems. Watch for signs of aphids or powdery mildew on the leaves and treat them promptly.
- Arrosage
- Keep the soil consistently moist but never waterlogged to prevent the tubers from rotting.
- Engrais
- Use a low nitrogen fertilizer during the growing season to encourage more flowers instead of just foliage.
- Taille
- Deadhead spent blooms regularly to keep the plant producing new flowers throughout the season.
- Rempotage
- Tubers should be lifted and stored in a cool, dry place over winter in colder climates.
- Sol
- Well-draining, fertile, loamy soil
- pH du sol
- 6.0 to 7.5
Sécurité
- Animaux
- Dahlias are considered toxic to cats and dogs if ingested, potentially causing skin irritation or digestive upset.
Comment l'identifier
- Complex, multi-layered flower heads
- Opposite, pinnately compound green leaves
- Sturdy, hollow stems
- Tuberous root system
Science
- Famille
- Asteraceae
- Genre
- Dahlia
- Ordre
- Asterales
- Classe
- Magnoliopsida
Taxonomie vérifiée avec le GBIF.
Aussi dans
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.