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Alcea rosea

TAXONOMIE

FamilleMalvaceae

GenreAlcea

Zone3

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Alcea rosea, commonly known as hollyhock, is a biennial or short-lived perennial plant in the family Malvaceae. Native to Asia and Europe, it is known for its tall spikes of large, colorful flowers that bloom in summer. Hollyhocks are often found in temperate climates and are popular in cottage gardens. They have a dormancy period during the winter months.

AUSSI CONNU SOUS LE NOM

Hollyhock

Malva Florida

Malva Hortensus

Alcea biennis subsp. cretica

Alcea cretica

Alcea ficifolia

Alcea microchiton

Althaea caribaea

Althaea chinensis

Althaea coromandelina

Althaea cretica

Althaea flexuosa

Althaea meonantha

Althaea mexicana

Althaea microchiton

Althaea rosea

Althaea rosea var. sinensis

Althaea sinensis

Malva rosea

APERÇU

VPDCalculer

EauHumide

SolLimoneux

LumièreLumière directe (6 Heures)

Température20° C

Humidité50

Dormance3 Mois

pH6,5

Pression1 013

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Demander

DÉTAILS

Instructions d'entretien

Hollyhocks require full sun and moderate temperatures to thrive. They should be watered regularly, allowing the soil to dry out partially between waterings. These plants prefer moderate humidity and can tolerate a range of temperatures, but they do best in temperate climates.

Sol

Hollyhocks prefer well-draining loamy soil with a slightly acidic to neutral pH. The soil should be rich in organic matter to support healthy growth. Good drainage is essential to prevent root rot.

Engrais

A balanced fertilizer with an N-P-K ratio of 10-10-10 should be applied during the growing season. Fertilize every 4-6 weeks to promote healthy growth and abundant flowering.

Rempotage

Hollyhocks can be repotted if necessary, but they are typically grown directly in the garden. If repotting, do so in early spring before new growth begins. Use a well-draining potting mix and ensure the new pot has adequate drainage holes.

Propagation

Hollyhocks can be propagated by seeds or root cuttings. Sow seeds in late summer or early fall for blooms the following year. Root cuttings can be taken in late winter or early spring. Ensure the cuttings have at least one bud and plant them in a well-draining soil mix.

Taille

Pruning is necessary to maintain the plant's shape and encourage more blooms. Deadhead spent flowers regularly to promote continuous blooming. Cut back the stems to the base after the flowering season to prepare the plant for dormancy.

Toxicité

Hollyhocks are generally non-toxic to pets and humans. However, the leaves and stems can cause skin irritation in some individuals, so it is advisable to handle the plant with care.

Supplémentaire

Hollyhocks are susceptible to rust, a fungal disease that causes orange spots on the leaves. To prevent rust, ensure good air circulation around the plants and avoid overhead watering. If rust appears, remove and destroy affected leaves and consider using a fungicide.

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Évalue les données de vos plantes, la météo actuelle, la saisonnalité et plus encore pour vous informer avec précision des besoins de vos plantes. L'application est également dotée de nombreuses fonctionnalités supplémentaires pour garantir l'épanouissement de vos plantes.