Professor Rontgen Tulip
Tulipa tulipa 'Professor Rontgen'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Bulb Corm Tuber
Height
20 inches
Width
6 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Central Asia
Toxicity
Toxic if ingested
The Story
Plant Bio
A spectacular parrot tulip with large, ruffled petals in a fiery blend of orange, yellow, and apricot. Notable for its large, deeply fringed and ruffled petals resembling a parrot's plumage.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck bulbs 6 inches deep in well-draining soil in fall.
- Water thoroughly after planting to settle soil.
- Mist bulbs lightly in winter if in a cold climate.
- Apply a layer of mulch for insulation during winter.
- Remove mulch in early spring for growth initiation.
- Fertilize with a balanced bulb fertilizer in early spring.
Pro Tip
Plant bulbs in well-drained soil with full sun for best blooms.
Keep It Thriving
Care Guide
Do
- Water during dry spells in spring 🌱
- Deadhead spent flowers to encourage rebloom
- Apply fertilizer in early spring for vibrant flowers
Don't
- Avoid overwatering in summer ❌
- Don’t plant in heavy clay soil without amendment
- Never cut foliage until it yellows
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| Plant |
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
Professor Rontgen Tulip questions
What zones can Professor Rontgen Tulip grow in?
Professor Rontgen Tulip is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Professor Rontgen Tulip deer resistant?
Not reliably. Deer may browse Professor Rontgen Tulip, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Professor Rontgen Tulip bloom?
Professor Rontgen Tulip typically blooms in late spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Professor Rontgen Tulip need full sun?
Professor Rontgen Tulip does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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Blumex Parrot Tulip
Tulipa tulip 'Blumex Parrot'
Keep exploring
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Collections featuring this plant
Hardy in your zone?
Grow Professor Rontgen Tulip 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.
