How to Grow Café au Lait Dahlia

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Café au Lait Dahlia

Dahlia × hybrida 'Café au Lait'

flower

Café au Lait is a stunning dahlia cultivar renowned for its large, romantic blooms in soft blush pink and cream tones that resemble the color of coffee with milk. This hybrid dahlia produces dinner-plate sized flowers (8-10 inches) on sturdy stems ideal for cutting and arrangements. It is one of the most popular dahlias among gardeners and florists for its exceptional beauty and prolific flowering.

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Example Café au Lait Dahlia timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Café au Lait Dahlia

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Café au Lait Dahlia blooms

    Around Jun 26

    ≈ 70 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Café au Lait Dahlia dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily for best blooming
💧
Water: Moderate and consistent moisture; water deeply 1-2 inches per week. Avoid waterlogging. Reduce watering in fall as plants prepare for dormancy.
📏
Spacing: 24-36 inches
📅
Days to maturity: 70-90 days from planting to first blooms
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Planting depth: 4-6 inches for tubers; plant with the 'eye' or sprouting point facing upward

Soil

Type: Well-draining loamy soil with good organic matter content
pH: 6.0-7.0
Amendments:
Compost aged manure perlite or sand for drainage bone meal at planting

Growing Zones

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Thrives in zones 3b-10a; grows as annual in cold climates, perennial in warm zones

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

1

Tuber Dormancy & Sprouting

2-4 weeks from planting to emergence

Dahlia tubers are dormant underground, beginning to develop sprouts from the 'eye' as soil warms and daylight increases.

Plant tubers after last frost when soil temperature reaches 60°F. Store winter tubers in cool (50°F), dry conditions. Inspect for rot before planting.

2

Seedling & Early Growth

3-4 weeks

Young shoots emerge and develop first true leaves. Plants establish root systems and begin vertical growth.

Provide consistent moisture but not waterlogged conditions. Begin staking with a 4-5 foot support if planting tall varieties. Thin to strongest shoot if multiple emerge.

3

Vegetative & Stem Development

4-6 weeks

Plants grow bushy with increasing leaf production and thickening stems. Pinching promotes branching and more blooms.

Pinch out the top 1-2 inches when plant reaches 12-18 inches tall to encourage lateral branching. Apply balanced fertilizer every 2-3 weeks. Stake plants securely.

4

Budding & Early Flowering

3-4 weeks

Flower buds appear at stem tips. Large dinner-plate buds develop in characteristic blush-cream coloration.

Remove side buds if larger specimens are desired (one bloom per stem). Switch to low-nitrogen, phosphorus-rich fertilizer (e.g., 5-10-10). Deadhead spent blooms to encourage continuous flowering.

5

Peak Blooming & Harvest

8-12+ weeks until first frost

Abundant full-sized blush-pink and cream flowers (8-10 inches) reach peak beauty and longevity. Blooms continue until frost.

Harvest in early morning for cut flowers; recut stems and place in water immediately. Continue deadheading. Reduce watering as temperatures cool in fall to slow growth before winter dormancy.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel kochia heavy nitrogen feeders that outcompete for nutrients

Common Pests

  • Spray foliage with water to dislodge; use neem oil or insecticidal soap. Increase humidity around plants.

  • Remove affected flowers. Use yellow sticky traps. Apply spinosad or neem oil as needed. Avoid over-fertilizing with nitrogen.

  • Hand-pick beetles in early morning and drop in soapy water. Use pheromone traps away from dahlias. Apply neem oil to foliage.

  • and

    Remove by hand at dusk. Use copper tape barriers. Apply diatomaceous earth around base. Encourage beneficial predators like ground beetles.

  • Ensure adequate air circulation. Avoid overhead watering. Spray with sulfur or potassium bicarbonate fungicide. Remove heavily infected leaves.

Uses

🍳

Edible Flowers

Culinary

Dahlia petals are edible with a slightly sweet, fresh flavor and can be used as garnish for desserts, salads, and beverages. They add visual elegance to culinary presentations. [source]

🎨

Cut Flowers & Arrangements

Craft

Café au Lait dahlias are prized by florists and floral designers for high-end wedding arrangements, garden bouquets, and exhibitions due to their romantic coloring and substantial size. They are excellent for both formal and cottage garden arrangements. [source]

🏠

Dried Flowers

Household

Dahlia blooms can be air-dried or pressed for dried flower arrangements, wreaths, and decorative crafts that retain their soft coloring for months. [source]

🦋

Pollinator Attraction

Wildlife

Dahlias attract butterflies, bees, and other pollinators with their abundant pollen and nectar, supporting beneficial insects throughout the growing season. [source]

💊

Traditional Herbal Use

Medicinal

In traditional medicine, dahlia tubers have been used in some cultures for their potential anti-inflammatory and antioxidant properties, though scientific evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Cut blooms in early morning or late evening when stems are fully hydrated. Use sharp shears and cut at a 45-degree angle. Remove lower leaves below the waterline. Recut stems every 2-3 days and change water frequently. Dahlias last 5-8 days in a vase. For maximum flower production, deadhead spent blooms regularly throughout the season.

Fun Facts

  • 🌱 Café au Lait dahlia was hybridized and introduced by Dutch breeder Tjallingii in the early 2000s and has won numerous horticultural awards including recognition from the Dahlia Society of America.
  • 🌱 Dahlias are native to Mexico and were treasured by the Aztecs; the plant was named after 18th-century Swedish botanist Anders Dahl. The genus contains over 42 wild species and thousands of cultivars.
  • 🌱 Café au Lait tubers can be divided every 2-3 years to rejuvenate plants and create new plants; each tuber segment must have at least one 'eye' or growth bud to sprout successfully.

Gardening Terms

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