Fountain Grass vs Geranium

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

Fountain Grass

Pennisetum alopecuroides

Poaceae · grasses

Deer ResistantDrought TolerantLow Maintenance

Geranium

Pelargonium × hortorum

Geraniaceae · flowers

Deer ResistantDrought TolerantMedium Maintenance

Hardiness Zone Range

Fountain Grass (Zones 5-9)

Geranium (Zones 9-11)

Overlap: Both grow in zones 9–9

Detailed Comparison

Feature	Fountain Grass	Geranium
Scientific Name	Pennisetum alopecuroides	Pelargonium × hortorum
Family	Poaceae	Geraniaceae
Category	grasses	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	4'	1' 6"
Spread	3'	1' 6"
Bloom Season	Summer-Fall	Spring-Fall
Bloom Color	Pink, Tan	Red, Pink, White, Salmon
Growth Rate	Fast	Fast
Native Region	East Asia, Australia	South Africa
Maintenance	Low	Medium

Special Traits

Fountain Grass

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Geranium

No — EdibleYes — Deer ResistantYes — 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.

Geranium

✓Deadhead spent flower stems at base.
✓Let soil dry slightly between waterings.
✓Feed every 2 weeks.
✓Overwinter indoors in cold climates.
✓Excellent in containers.

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 Geranium if you don't mind medium maintenance, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 9–11.

Plant them together? Both overlap in zones 9–9. They share similar sun requirements (full sun), making them potential garden companions.

View Fountain GrassProfile →View GeraniumProfile →

Frequently Asked Questions

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

Fountain Grass grows in USDA zones 5-9, while Geranium grows in zones 9-11. Both plants can grow together in zones 9 through 9.

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

Fountain Grass needs full sun and medium water, while Geranium 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 Geranium?

Fountain Grass grows taller at 4' compared to Geranium at 1' 6". Fountain Grass spreads 3' while Geranium spreads 1' 6".

Are Fountain Grass and Geranium deer resistant?

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

Which is easier to maintain, Fountain Grass or Geranium?

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

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Detailed Comparison

Feature	Fountain Grass	Geranium
Scientific Name	Pennisetum alopecuroides	Pelargonium × hortorum
Family	Poaceae	Geraniaceae
Category	grasses	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	4'	1' 6"
Spread	3'	1' 6"
Bloom Season	Summer-Fall	Spring-Fall
Bloom Color	Pink, Tan	Red, Pink, White, Salmon
Growth Rate	Fast	Fast
Native Region	East Asia, Australia	South Africa
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.

Geranium

✓Deadhead spent flower stems at base.
✓Let soil dry slightly between waterings.
✓Feed every 2 weeks.
✓Overwinter indoors in cold climates.
✓Excellent in containers.

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 Geranium if you don't mind medium maintenance, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 9–11.

Plant them together? Both overlap in zones 9–9. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

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

Fountain Grass grows in USDA zones 5-9, while Geranium grows in zones 9-11. Both plants can grow together in zones 9 through 9.

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

Fountain Grass needs full sun and medium water, while Geranium 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 Geranium?

Fountain Grass grows taller at 4' compared to Geranium at 1' 6". Fountain Grass spreads 3' while Geranium spreads 1' 6".

Are Fountain Grass and Geranium deer resistant?

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

Which is easier to maintain, Fountain Grass or Geranium?

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