Ranunculus asiaticus 'Cloni Success'
This Italian clonal line is propagated by tissue culture from elite parent plants. It stands out for very large blooms, thick petals, and strong stems prized for premium floral work. Plants grow best with full sun, cool spring weather, and fast‑draining soil. In Zones 8 to 10, plant in fall for early spring flowers. In colder regions, late winter to early spring planting gives late spring flowers. Stems are long and sturdy when grown with steady moisture and good nutrition. Plants are not frost hardy in cold climates.
At‑a‑glance
- Group/Class: Persian Buttercup Series: Cloni Success (clonal line)
- Height × spread: 16–24 in × 10–12 in (40–60 cm × 25–30 cm)
- Bloom window: Early to mid spring in mild zones; late spring elsewhere
- Color & flower form: Very large, fully double blooms in refined shades
- Fragrance: 0 none
- USDA hardiness: Zones 8–10; grown as annual in colder zones
- Breeder / Year / Origin: Biancheri Creazioni, Year unknown, Italy
- Cut‑flower notes: Thick petals and strong stems; typical vase life around 10 days when cut in bud
- Pet safety: avoid
How it differs
- Clonal selection for uniform, very large flowers
- Stems are typically thicker and longer than seed strains
- Premium cut‑flower quality favored by florists
- Narrower color list per season but very consistent shades
Strengths
- Showpiece blooms for weddings and events
- Strong stems that handle transport well
- Good productivity under cool, bright conditions
- Vase life commonly 7–10 to 10–12 days
Care in one minute
- Grow in full sun in very well‑drained, fertile soil or raised beds
- Pre‑soak corms 1 hour; plant 2 in deep and 6–8 in apart with claws down
- Irrigate consistently to avoid stress; keep foliage dry in cool, wet weather
- Feed with a balanced fertilizer every 2 to 3 weeks during growth
- Harvest at soft bud for longest vase life; support in very windy sites
- Lift and store corms dry after bloom in cold or wet‑summer climates
Watch‑outs
- Higher input cost than seed strains
- Requires excellent drainage and steady nutrition
- Heat and warm nights shorten bloom quickly
- Botrytis can blemish petals in cool, damp spells
Best uses (tags)
cutting, tunnels, premium‑floristry, cool‑season
Provenance note
Developed by Biancheri Creazioni in Italy as a tissue‑cultured clonal line from selected parents. Distributed widely in North America for premium cut‑flower production.
References
- Italian Ranunculus – Cloni Success overview
- Onings America – Italian Ranunculus portfolio
- Floret Flowers – How to grow ranunculus (vase life and harvest stage)
- ASPCA – Buttercup (Ranunculus spp.) toxicity
Written by: Your Flowers Guide editorial team
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