Does it need a lot of water?

No, it prefers dry conditions and will suffer in waterlogged soil.

Can I grow it in a pot?

Yes, it grows well in containers if they have excellent drainage.

Guide botanique

Mexican hat.

Ratibida columnifera

Prononciation rat-ih-BY-duh kol-um-nih-FER-uh

Aussi appelée Mexican hat, Mexican-hat, long-headed coneflower, longhead-coneflower, prairie coneflower, prairie-coneflower, red-spike Mexican-hat, redspike Mexican hat

Mexican hat is a charming prairie wildflower that adds a rustic touch to any sunny garden. It is well known for its unique, cone shaped central disk and drooping, petal like rays. These hardy plants are perfect for attracting pollinators to your outdoor space.

En un coup d'œil

Niveau d'entretien: Facile
Type de plante: Perennial wildflower
Lumière: Full sun
Lumière en intérieur: Soleil direct
Arrosage: Tous les 7 à 14 jours
Taille adulte: 3 feet
Croissance: Moyenne
Rusticité: USDA 3 à 9
Floraison: Early summer to early autumn

Entretien

Plant this beauty in a spot with plenty of sun and well draining soil. Keep an eye out for powdery mildew if the air gets too stagnant. It is quite drought tolerant once established, so you won't need to fuss over it much.

Arrosage: Water deeply when the soil feels dry to the touch, but let it dry out between sessions.
Engrais: A light application of compost in the spring is usually all it needs.
Taille: Cut back the dead stems in late winter or early spring to tidy up the plant.
Rempotage: These are best grown in the ground, but if kept in containers, move them up when they become root bound.
Sol: Well draining, rocky, or sandy soil
pH du sol: 6.5 to 7.5
Température: -30 à 40°C
Humidité: 20 à 50%
Résistance à la sécheresse: Élevée
Durée de vie: Short-lived perennial, typically 3 to 5 years.
Résistance aux chevreuils et lapins: Élevée

Signes qu'il faut rempoter

Roots growing out of drainage holes
Water sitting on the surface for too long

Sécurité

Humains: There are no significant reports of human toxicity, but it is not intended for consumption.
Enfants: The plant is not inherently dangerous, but the dry, prickly seed heads should be kept away from small children.
Allergènes de contact: Some individuals may experience mild skin irritation from handling the foliage.
Allergènes aéroportés: The pollen can cause seasonal allergies in sensitive individuals.
Comestibilité: This plant is not considered edible and may cause stomach upset if ingested.

Comment l'identifier

Tall, prominent central cone
Drooping red or yellow rays
Deeply lobed, fern like foliage
Slender, branching stems

Hauteur: 0,3 à 0,9m
Envergure: 0,3 à 0,6m
Feuilles: green, gray-green, deciduous
Fleurs: yellow, red, brown, 3 à 5cm
Fruits: brown, Autumn

Problèmes courants

Powdery mildew — A white fungal growth appears on leaves during periods of high humidity.

La cultiver

Multiplication: seed
Quand planter: spring, autumn
Hivernage: Leave the dried seed heads standing through winter to provide food for birds, then cut back to the ground in early spring.
En pot: It grows well in pots at least 30 cm deep with very gritty, well-draining soil.

Seed sowing

1. Collect seeds in late autumn.
2. Sow seeds directly in a sunny, well-drained spot.
3. Lightly cover with soil.
4. Keep moderately moist until germination.

Group these with other sun-loving prairie plants to create a low-maintenance, pollinator-friendly landscape.

Bonnes associations

Purple coneflower — They share similar water and sun requirements.
Schizachyrium scoparium — This grass provides a beautiful textural contrast to the flowers.
Blanket flower — They create a vibrant, drought-tolerant color display.

Espèces similaires

Ratibida tagetes — It is a smaller relative with a similar growth habit.

Science

Famille: Asteraceae
Genre: Ratibida
Ordre: Asterales
Classe: Magnoliopsida
Région d'origine: Central and western North America.
Préservation: It is a common native species and is not currently of conservation concern.

It is a pioneer species that quickly colonizes disturbed prairie sites and dry grasslands.

Intérêt pour la faune: nectar source, seed source for birds
Pollinisateurs: abeilles, papillons
Utilisations: prairie restoration, pollinator gardens, xeriscaping, cut flowers

Au fil des saisons

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Floraison

Fructification

Feuillage

Repères écologiques

Salinité: 2/9
Réaction du sol: 6/9
Lumière: 8/9
Température: 6/9
Humidité: 2/9
Nutriments: 2/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Does it need a lot of water?: No, it prefers dry conditions and will suffer in waterlogged soil.
Can I grow it in a pot?: Yes, it grows well in containers if they have excellent drainage.

D'où vient le nom

The genus name Ratibida is of unknown origin, while the specific epithet columnifera refers to the column-like central disk of the flower.

Bon à savoir

It is highly drought tolerant once established.
The flowers are known for their unique, drooping petals.
It thrives in poor, rocky soils where other plants struggle.
The seeds are a favorite food for many native songbirds.

Aussi dans

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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.

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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.