Hydrangea macrophylla 'Let’s Dance Rhythmic Blue'
A compact reblooming mophead developed for improved cold‑climate performance.
It blooms on old and new wood and can turn deep blue in acidic soils.
Dense habit suits small gardens and containers.
Best with morning sun, afternoon shade, and steady moisture.
At‑a‑glance
- Group/Class: Bigleaf hydrangea, Mophead
- Height × spread: 3–4 ft (0.9–1.2 m) × 3–4 ft (0.9–1.2 m)
- Bloom window: mid summer to fall; reblooming
- Color & flower form: pink to deep blue mopheads; blocky florets
- Fragrance: 0 none
- USDA hardiness: zones 5–9
- Breeder / Year / Origin: Spring Meadow Nursery, 2015, USA
- Awards/registration: S. Plant Patent PP25,836; cultivar ‘SMHMES14’
- Cut‑flower notes: compact stems; conditioning essential; wilt‑prone if stems dry
- Pet safety: avoid
How it differs
- More compact than many bigleaf hydrangeas.
- Selected for better cold performance.
- Blues readily in acidic soils.
Strengths
- Compact habit for small spaces
- Reliable rebloom
- Strong blue potential
Care in one minute
- Light: morning sun, afternoon shade.
- Soil: rich, well drained; use soil sulfur or aluminum sulfate for blue.
- Water weekly; mulch 2–3 in (5–8 cm).
- Deadhead; avoid hard pruning; winter mulch in zone 5.
Watch‑outs
- Needs acidic soil and aluminum for true blue
- High pH can cause chlorosis
- Hot, dry afternoons can scorch leaves
Best uses (tags)
- containers
- borders
- shade‑tolerant
- small spaces
Provenance note
Registered as ‘SMHMES14’ and patented in 2015. Bred in Michigan for the Proven Winners Let’s Dance series.
References
Proven Winners — ‘Let’s Dance Rhythmic Blue’ — https://www.provenwinners.com/plants/hydrangea/lets-dance-rhythmic-blue-reblooming-hydrangea-hydrangea-macrophylla
U.S. Plant Patent — ‘SMHMES14’ PP25,836 — https://patents.justia.com/patent/PP25836
NC State Extension — Hydrangea macrophylla species — https://plants.ces.ncsu.edu/plants/hydrangea-macrophylla/
ASPCA — Hydrangea toxicity — https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/hydrangea
Written by: Your Flowers Guide editorial team
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