The Third Harmonic Alstroemeria
Alstroemeria x hybrida 'The Third Harmonic'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
7, 8, 9
Water
Moderate
Humidity
Moderate
Lifespan
Perennial in suitable zones
Native To
South America
Toxicity
Sap may cause skin irritation; mildly toxic if ingested
The Story
Plant Bio
Vibrant orange flowers that are attractive for cutting Known for its unique color and vigorous growth
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds or divisions into well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Water deeply once a week during active growth, especially in dry periods.
- Fertilize with a balanced liquid feed every 4-6 weeks during growing season.
- Prune spent flower stems to encourage new blooms, after flowering.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Plant in a sheltered spot with partial shade for best flowering performance.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist but not waterlogged 🌱
- Feed with a high-potassium fertilizer during flowering
- Prune dead or damaged stems regularly
- Mulch to conserve moisture and regulate soil temperature
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t expose to harsh afternoon sun in hot climates
- Refrain from disturbing roots during the flowering season
- Don’t forget to remove spent flowers promptly
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Mulch |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
The Third Harmonic Alstroemeria questions
What zones can The Third Harmonic Alstroemeria grow in?
The Third Harmonic Alstroemeria is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is The Third Harmonic Alstroemeria deer resistant?
Yes — The Third Harmonic Alstroemeria is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does The Third Harmonic Alstroemeria bloom?
The Third Harmonic Alstroemeria typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does The Third Harmonic Alstroemeria need full sun?
The Third Harmonic Alstroemeria does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Alstroemeria to compare
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Alstroemeria x hybrida 'Inca Sundance'
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Alstroemeria x hybrida 'Inca Lolly'
Peruvian Lily Freedom
Alstroemeria x hybrida 'Freedom'
Golden Tiara Peruvian Lily
Alstroemeria x hybrida 'Golden Tiara'
Indian Summer Peruvian Lily
Alstroemeria x hybrida 'Indian Summer'
Peruvian Lily, Lily of the Incas
Alstroemeria aurantiaca 'Tricolor'
Keep exploring
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Hardy in your zone?
Grow The Third Harmonic Alstroemeria with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
