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Alcea rosea ‘Chater’s Double Carnival Mix’ – Alcea, Atléia, Royal Malva, Malvaisco, Hollyhock

Botanical Nomenclature: Alcea rosea ‘Chater’s Double Carnival Mix’
Cultivate: Chaters Double Carnival Mix
Common Name: Alcea, Atléia, Royal Malva, Malvaisco, Hollyhock
Family: Malvaceae
Origin: Asia, China
Height: 1.50 – 1.80 Meters In Height
Brightness: Full Sun, Partial Shading
Climate: See Description.

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Description

Color mix: white, yellow cream, yellow, orange, salmon, light pink, pink, pink pink, red, wine, purple and purple.

Alcea rosea variety double chaters have been grown in gardens for centuries, their high spikes of silk-textured satin flowers promote a beautiful display and a unique spectacle.

Several variety in mauve were planted in the gardens at Monticello by Thomas Jefferson in 1629; traditional and outrageously beautiful. A must for historic gardens,

Edible flowers are used in the preparation of salads and ornamentation of various dishes, as well as in the preparation of tea or as a coloring agent for other foods.

It prefers its planting in a place that receives direct solar illumination, however, in the hottest regions should be planted in a place that receives solar protection in the hottest hours of the day.

The species is biennial, but usually treated as perennial because once established form colonies by self seeding.

Very fast growth and possibly flourishes in its first year in cultivation.

Huge, velvety flowers present us with simply fantastic scenery and bring close to the constant visit of butterflies and hummingbirds.

Very much traveled by landscapers the world outside in massive and as surround high walls and walls.

In the culinary the flowers of this cultivar are very appreciated when crystallized for decoration of cakes or in the preparation of delicately flavored syrups for puddings.

Seeds very fresh, in appropriate conditions, germinating between 20 to 40 days.

Germination Guide

🌍 Western Asia, Turkey, southwestern China
Easy

Alcea rosea 'Double Carnival Mix' is a classic biennial hollyhock featuring stunning double flowers in mixed colors including blush pink, rose red, white, scarlet, and yellow. These tall, ornamental plants can reach 4-8 feet in height and are prized for cottage gardens, borders, and attracting pollinators. The Double Carnival Mix seeds germinate easily with light exposure and warm temperatures, making them ideal for indoor seed starting 6-8 weeks before the last frost.

Germination
Germination time
Expect germination in

10 – 21 days

Temperature

Min 60°C
Ideal 65°C
Max 70°C
🌡️ Temperature alternation recommended
— Optional cold stratification: keep seeds at 35-40°F for 10 days, then move to 65-70°F to enhance germination.

Light
☀️ Light required

Substrate moisture
💧 Medium

Sowing depth
Lightly covered

Press seed
👆 Yes

Germination rate
85 %


Seed Pre-treatment
  • 💧

    Soaking — 12 hours
    Soak seeds in warm water (around 113°F/45°C) for 12 hours before sowing to improve germination rates and speed up sprouting.
  • 📋

    Additional notes
    Warm water soaking is recommended but not required. This treatment softens seed coat and increases germination percentage.

Substrate & Container
Recommended substrate
Well-drained seed starting mix or potting soil enriched with organic matter

Recommended container
Biodegradable pots or seed trays with drainage holes; one seed per pot recommended


Growing Tips
Seeds require light to germinate, so sow on soil surface and press gently without covering completely. Maintain consistently moist (not soggy) soil at 60-70°F for best results. Soak seeds in warm water for 12 hours before sowing to improve germination rates. Start indoors 6-8 weeks before the last frost date for earlier blooms. These biennials typically flower in their second year, but may flower the first year if started early indoors. Protect young seedlings from slugs and snails. Provide well-drained, fertile soil with full sun exposure for transplanting outdoors.

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