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Arabian Night
Decorative · Weijers, 1951, Netherlands
At‑a‑glance
- Group/Class: Decorative
- Height × spread: 3-4 ft × 1.5-2 ft (0.9-1.2 m × 45-60 cm)
- Bloom window: mid‑summer to frost
- Color & flower form: very dark red; double decorative
- Fragrance: 0 none
- USDA hardiness: grown as annual in most regions; may overwinter in ground in Zone 7 to 10 where soils are well‑drained
- Breeder / Year / Origin: Weijers, 1951, Netherlands
- Cut‑flower notes: sturdy stems; typical vase life about 4 to 6 days when properly conditioned.
- Pet safety: avoid
How it differs
- Very dark red petals provide near‑black effect compared with typical bright dahlias.
- Strong color holds in arrangements under indoor light.
- Medium stature suits borders and cutting rows.
Strengths
- Reliable midsummer start into frost with deadheading.
- Contrasting color adds depth in plantings and bouquets.
- Useful stem length for cutting.
Care in one minute
Site: full sun; fertile, well‑drained soil; neutral to slightly acidic pH.
Water: maintain even moisture; do not leave soil soggy.
Feeding: moderate fertilizer; do not overapply nitrogen.
Training: pinch once at 12 to 18 in; stake and tie; deadhead to extend bloom.
Overwintering: lift after frost and store around 40 to 45°F (4 to 7°C); in mild, well‑drained Zone 7 to 10 sites, mulched in‑ground overwintering is possible.
Watch‑outs
- Color may look black in low light and very dark in photos.
- Can slow down in extreme heat or drought.
- Frost‑tender tubers require storage outside mild zones.
Best uses (tags)
Provenance note
Raised by Weijers in the Netherlands and introduced in 1951.
References
- Royal Horticultural Society – Dahlia ‘Arabian Night’ (plant profile)
- National Dahlia Society Picture Archive – ‘ARABIAN NIGHT’ (Weijers, NL, 1951)
- NC State Extension – Dahlia (care profile)
- ASPCA – Dahlia toxicity to pets
