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Jasminum grandiflorum
semi‑evergreen twining climber
At‑a‑glance
- Group/Class: semi‑evergreen twining climber
- Height × spread: 10–15 ft (3–4.5 m) × 3–6 ft (0.9–1.8 m)
- Bloom window: summer to fall
- Color & flower form: white, large star‑shaped clusters
- Fragrance: 3 strong
- USDA hardiness: grown outdoors in frost‑free zones; container elsewhere
- Breeder / Year / Origin: unknown, unknown, native from northeast Africa and Arabia to Pakistan and South‑Central China
- Awards/registration: RHS Award of Garden Merit
- Pet safety: safe
How it differs
- Larger flowers than common summer jasmine.
- Tender growth that dislikes frost compared with hardy species.
- Often container grown and moved to shelter for winter.
Strengths
- Intense perfume prized in perfumery
- Flowers over a long warm‑season window
- Trainable on small arches and patio trellises
Care in one minute
Site: full sun with wind protection; bright conservatory in cold regions.
Soil: sharply drained, moderately fertile mix.
Water: regular during active growth; reduce in cool conditions.
Feeding: light liquid feed in summer; avoid heavy salts.
Prune: after flowering; tip‑pinch to encourage laterals.
Overwinter: keep above freezing with bright light and good air movement.
Watch‑outs
- Frost damage below freezing; protect or overwinter under glass
- Needs high light to flower well
- Can sulk in cool, wet soils
Best uses (tags)
Provenance note
Native across parts of northeast Africa, the Arabian Peninsula, Pakistan and into South‑Central China; long used in the perfume industry.
References
- Royal Horticultural Society – Jasminum grandiflorum
- Kew: Plants of the World Online – Jasminum grandiflorum
- Clemson Extension – Jasmine overview
- ASPCA – Jasmine (Jasminum species) non‑toxic to pets
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