Grevillea hybrid 'Lemon Daze'
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Lemon Daze Grevillea
Botanical Name: Grevillea ‘Lemon Daze’ (horticultural hybrid)
Family: Proteaceae
Origin: Australia (horticultural hybrid)
Plant Type: Evergreen small–medium shrub
Overview
A sun-loving grevillea smothered in lemon-yellow flowers for months—especially autumn through spring in Adelaide. Fast and forgiving with fern-like foliage, it’s brilliant for low informal screening, feature planting and bird gardens. Performs best in free-draining soils with low-phosphorus care.
Key Features
- Mature Size: 0.8–1.5 m H × 0.8–1.5 m W
- Growth Rate: 30-60 (spread) cm per year under good conditions
- Foliage: Deeply divided, mid- to grey-green; bronze/copper tints on fresh growth
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Flowers: Lemon to soft-gold pendent flowers; heaviest autumn–spring, with spot blooms year-round in mild seasons
- Seasonal Interest: Strong cool-season colour; evergreen structure year-round
- Wildlife Value: Nectar magnet for honeyeaters/lorikeets; bees & other pollinators; shelter for small birds
- Tolerance: Drought-tolerant once established, heat & wind hardy; second-line coastal OK; light frost tolerant (protect from hard frosts in the Hills). Dislikes waterlogging & high phosphorus; on calcareous Adelaide soils may show chlorosis—manage with compost/mulch, mounding and occasional iron chelate
- Planting Density: Informal screen/mass: 0.8–1.2 m apart; Specimen: 1.5–2 m from the next shrub
- Pet Friendly: Generally non-toxic; sap/foliage may irritate sensitive skin—wear gloves when pruning
Where It Works Best
- Sunlight: Full sun (6+ hrs) for best flowering; light part shade reduces bloom
- Soil: Well-drained sandy/loam; on heavier clays raise/mound to keep crowns dry. Prefers slightly acidic–neutral soils; tolerates slightly alkaline with management
- Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: deep soak every 2–3 weeks in summer (weekly in heatwaves); minimal in winter
- Maintenance: Tip-prune after flushes to keep dense and encourage more spikes. Hard prune by up to ⅓ in late winter if leggy (avoid cutting into bare old wood). Mulch yearly; feed in spring with a low-P native fertiliser only
- Lifespan: 10–20+ years in well drained sites
- Climate Zones: Temperate & Mediterranean SA—excellent on Adelaide Plains and second-line coastal; choose frost-sheltered spots in the Hills
- Soil pH: Slightly acidic–neutral (tolerates slightly alkaline with care)
Landscape & Design Ideas
- Quick low informal screen or sunny boundary filler
- Feature shrub with luminous lemon blooms for months
- Bird-attracting native mixes with lomandra, westringia & kangaroo paws
- Hot, water-wise borders and coastal gardens
Why You Will Love It
Long-season lemon blooms, fast growth and constant bird action—tailor-made for Adelaide gardens with sun, drainage and low-P care.