Fountain Grass vs Lupine

Side-by-side plant comparison — which is right for your garden?

Fountain Grass

Pennisetum alopecuroides

Poaceae · grasses

Deer ResistantDrought TolerantLow Maintenance

Lupine

Lupinus polyphyllus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Fountain Grass (Zones 5-9)

Lupine (Zones 4-7)

Overlap: Both grow in zones 5–7

Detailed Comparison

Feature	Fountain Grass	Lupine
Scientific Name	Pennisetum alopecuroides	Lupinus polyphyllus
Family	Poaceae	Fabaceae
Category	grasses	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Slightly Acidic
Height	4'	4'
Spread	3'	2'
Bloom Season	Summer-Fall	Late Spring-Summer
Bloom Color	Pink, Tan	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	East Asia, Australia	North America
Maintenance	Low	Medium

Special Traits

Fountain Grass

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Lupine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Fountain Grass

✓Cut back to 6 inches in late winter before new growth.
✓Divide every 3-4 years.
✓Leave seed heads for winter interest.
✓Drought tolerant once established.

Lupine

✓Don't transplant — deep taproot.
✓Direct sow or plant young.
✓Nick seed coat before planting.
✓Nitrogen-fixing — don't fertilize.
✓Cool summers preferred.

Which Plant Is Right for Your Garden?

Choose Fountain Grass if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 5–9.

Choose Lupine if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 4–7.

Plant them together? Both overlap in zones 5–7. They share similar sun requirements (full sun), making them potential garden companions.

View Fountain GrassProfile →View LupineProfile →

Frequently Asked Questions

Can Fountain Grass and Lupine grow in the same hardiness zone?

Fountain Grass grows in USDA zones 5-9, while Lupine grows in zones 4-7. Both plants can grow together in zones 5 through 7.

Do Fountain Grass and Lupine have the same sun and water needs?

Fountain Grass needs full sun and medium water, while Lupine needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Fountain Grass or Lupine?

Both Fountain Grass and Lupine reach approximately 4' in height, with spreads of 3' and 2' respectively.

Are Fountain Grass and Lupine deer resistant?

Yes, both Fountain Grass and Lupine are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Fountain Grass or Lupine?

Fountain Grass has low maintenance while Lupine has medium maintenance. Fountain Grass may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Fountain Grass	Lupine
Scientific Name	Pennisetum alopecuroides	Lupinus polyphyllus
Family	Poaceae	Fabaceae
Category	grasses	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Slightly Acidic
Height	4'	4'
Spread	3'	2'
Bloom Season	Summer-Fall	Late Spring-Summer
Bloom Color	Pink, Tan	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	East Asia, Australia	North America
Maintenance	Low	Medium

Care Tips

Fountain Grass

✓Cut back to 6 inches in late winter before new growth.
✓Divide every 3-4 years.
✓Leave seed heads for winter interest.
✓Drought tolerant once established.

Lupine

✓Don't transplant — deep taproot.
✓Direct sow or plant young.
✓Nick seed coat before planting.
✓Nitrogen-fixing — don't fertilize.
✓Cool summers preferred.

Which Plant Is Right for Your Garden?

Choose Fountain Grass if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 5–9.

Choose Lupine if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 4–7.

Plant them together? Both overlap in zones 5–7. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Fountain Grass and Lupine grow in the same hardiness zone?

Fountain Grass grows in USDA zones 5-9, while Lupine grows in zones 4-7. Both plants can grow together in zones 5 through 7.

Do Fountain Grass and Lupine have the same sun and water needs?

Fountain Grass needs full sun and medium water, while Lupine needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Fountain Grass or Lupine?

Both Fountain Grass and Lupine reach approximately 4' in height, with spreads of 3' and 2' respectively.

Are Fountain Grass and Lupine deer resistant?

Yes, both Fountain Grass and Lupine are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Fountain Grass or Lupine?

Fountain Grass has low maintenance while Lupine has medium maintenance. Fountain Grass may be easier for beginning gardeners to manage.