Geranium vs Lupine

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

Geranium

Pelargonium × hortorum

Geraniaceae · flowers

Deer ResistantDrought TolerantMedium Maintenance

Lupine

Lupinus polyphyllus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Geranium (Zones 9-11)

Lupine (Zones 4-7)

No zone overlap — these plants cannot be grown in the same climate

Detailed Comparison

Feature	Geranium	Lupine
Scientific Name	Pelargonium × hortorum	Lupinus polyphyllus
Family	Geraniaceae	Fabaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Slightly Acidic
Height	1' 6"	4'
Spread	1' 6"	2'
Bloom Season	Spring-Fall	Late Spring-Summer
Bloom Color	Red, Pink, White, Salmon	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	South Africa	North America
Maintenance	Medium	Medium

Special Traits

Geranium

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Lupine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

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.

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 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.

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.

View GeraniumProfile →View LupineProfile →

Frequently Asked Questions

Can Geranium and Lupine grow in the same hardiness zone?

Geranium grows in USDA zones 9-11, while Lupine grows in zones 4-7. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Geranium and Lupine have the same sun and water needs?

Geranium 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, Geranium or Lupine?

Lupine grows taller at 4' compared to Geranium at 1' 6". Lupine spreads 2' while Geranium spreads 1' 6".

Are Geranium and Lupine deer resistant?

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

Which is easier to maintain, Geranium or Lupine?

Both Geranium and Lupine have medium maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Geranium	Lupine
Scientific Name	Pelargonium × hortorum	Lupinus polyphyllus
Family	Geraniaceae	Fabaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Slightly Acidic
Height	1' 6"	4'
Spread	1' 6"	2'
Bloom Season	Spring-Fall	Late Spring-Summer
Bloom Color	Red, Pink, White, Salmon	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	South Africa	North America
Maintenance	Medium	Medium

Care Tips

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.

Lupine

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

Frequently Asked Questions

Can Geranium and Lupine grow in the same hardiness zone?

Geranium grows in USDA zones 9-11, while Lupine grows in zones 4-7. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Geranium and Lupine have the same sun and water needs?

Geranium 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, Geranium or Lupine?

Lupine grows taller at 4' compared to Geranium at 1' 6". Lupine spreads 2' while Geranium spreads 1' 6".

Are Geranium and Lupine deer resistant?

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

Which is easier to maintain, Geranium or Lupine?

Both Geranium and Lupine have medium maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.