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Black Pantha
semi‑evergreen agapanthus cultivar
At‑a‑glance
- Group/Class: semi‑evergreen agapanthus cultivar
- Height × spread: 36 to 40 in (90 to 100 cm) × 12 to 20 in (30 to 50 cm)
- Bloom window: mid summer
- Color & flower form: very dark buds; deep blue to blue‑black trumpet‑shaped florets in umbels
- Fragrance: 0 none
- USDA hardiness: 8 to 10; container in colder zones
- Breeder / Year / Origin: unknown
- Cut‑flower notes: strong, tall stems; typical vase life about 7 to 10 days
- Pet safety: avoid
How it differs
- Near‑black bud color uncommon among agapanthus.
- Semi‑evergreen habit in mild climates.
- Large, rounded heads on upright scapes for a dramatic effect.
Strengths
- Showy, saturated flower color.
- Tall stems suit cutting and mid‑border planting.
- Performs well in sunny, coastal positions with drainage.
Care in one minute
Full sun and shelter from cold, drying winter winds.
Moist but well‑drained soil; improve drainage before planting.
Water to keep soil evenly moist during active growth.
Feed in spring with a balanced fertilizer; avoid excess nitrogen.
Remove spent stems; divide when clumps become crowded.
Overwinter containers in a frost‑free place in cold regions.
Watch‑outs
- Tender to hard freezes; mulch or grow in containers outside warm zones.
- Heavy clay or standing water increases crown and root rot risk.
- Slugs and snails can blemish leaves.
Best uses (tags)
Provenance note
Documented by the Royal Horticultural Society with descriptive notes on habit and flower color; often sold under plant breeder’s rights in some markets.
References
- Royal Horticultural Society: Agapanthus ‘Black Pantha’ profile
- Missouri Botanical Garden: Agapanthus (group) profile
- UC ANR: Agapanthus spp. safety note
