Hydrangea vs Lupine

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

Hydrangea

Hydrangea macrophylla

Hydrangeaceae · flowers

Deer ResistantMedium Maintenance

Lupine

Lupinus polyphyllus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Hydrangea (Zones 5-9)

Lupine (Zones 4-7)

Overlap: Both grow in zones 5–7

Detailed Comparison

Feature	Hydrangea	Lupine
Scientific Name	Hydrangea macrophylla	Lupinus polyphyllus
Family	Hydrangeaceae	Fabaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Slightly Acidic
Height	6'	4'
Spread	6'	2'
Bloom Season	Summer	Late Spring-Summer
Bloom Color	Blue, Pink, White	Blue, Purple, Pink, Yellow
Growth Rate	Medium	Medium
Native Region	Japan	North America
Maintenance	Medium	Medium

Special Traits

Hydrangea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Lupine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

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 Hydrangea if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium to high 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. However, they have different sun needs, so plan your garden layout carefully.

View HydrangeaProfile →View LupineProfile →

Frequently Asked Questions

Can Hydrangea and Lupine grow in the same hardiness zone?

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

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

Hydrangea needs part shade and medium to high water, while Lupine needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Hydrangea or Lupine?

Hydrangea grows taller at 6' compared to Lupine at 4'. Hydrangea spreads 6' while Lupine spreads 2'.

Are Hydrangea and Lupine deer resistant?

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

Which is easier to maintain, Hydrangea or Lupine?

Both Hydrangea 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	Hydrangea	Lupine
Scientific Name	Hydrangea macrophylla	Lupinus polyphyllus
Family	Hydrangeaceae	Fabaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Slightly Acidic
Height	6'	4'
Spread	6'	2'
Bloom Season	Summer	Late Spring-Summer
Bloom Color	Blue, Pink, White	Blue, Purple, Pink, Yellow
Growth Rate	Medium	Medium
Native Region	Japan	North America
Maintenance	Medium	Medium

Care Tips

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

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 Hydrangea if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium to high 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. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Hydrangea and Lupine grow in the same hardiness zone?

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

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

Hydrangea needs part shade and medium to high water, while Lupine needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Hydrangea or Lupine?

Hydrangea grows taller at 6' compared to Lupine at 4'. Hydrangea spreads 6' while Lupine spreads 2'.

Are Hydrangea and Lupine deer resistant?

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

Which is easier to maintain, Hydrangea or Lupine?

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