The Story
Plant Bio
Foeniculum vulgare 'Consanguineum' is a perennial fennel distinguished by its feathery, aromatic foliage and umbels of yellow flowers that attract pollinators, creating a lush, ornamental herbaceous plant.
This cultivar is notable for its striking, deep reddish-purple foliage, which adds ornamental value and contrast in herb gardens and landscape designs.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
60 inches
Width
30 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Mediterranean region
Toxicity
Non-toxic
Bloom period
Late summer – Late fall
In flower about 4 months of the year
Planting
How to Grow
- Tuck seeds 1/4 inch deep into well-draining soil.
- Mist cuttings lightly to maintain humidity.
- Choose a sunny spot with good air circulation.
- Water regularly to keep soil moist but not waterlogged.
- Thin seedlings to 12 inches apart after germination.
- Mulch to retain moisture and suppress weeds.
Pro Tip
Plant in full sun with well-draining soil for best growth.
Keep It Thriving
Care Guide
Do
- Water consistently during dry periods 🌱
- Prune dead or damaged stems as needed
- Fertilize with organic compost in early spring
- Mulch around base to conserve moisture
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t overcrowd plants, ensure good airflow
- Refrain from using synthetic fertilizers excessively
- Don’t forget to harvest seeds before seed dispersal
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Harvest | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Consanguineum Bronze Fennel questions
What zones can Consanguineum Bronze Fennel grow in?
Consanguineum Bronze Fennel is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Consanguineum Bronze Fennel deer resistant?
Yes — Consanguineum Bronze Fennel is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Consanguineum Bronze Fennel bloom?
Consanguineum Bronze Fennel typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Consanguineum Bronze Fennel need full sun?
Consanguineum Bronze Fennel does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Consanguineum Bronze Fennel drought tolerant?
Yes — once established (usually after the first full season), Consanguineum Bronze Fennel handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Foeniculum to compare
Keep exploring
Explore the genus
Grow Consanguineum Bronze Fennel 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.








