Boston Fern vs Lupine

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

Boston Fern

Nephrolepis exaltata

Nephrolepidaceae · ferns

Deer ResistantMedium Maintenance

Lupine

Lupinus polyphyllus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Boston Fern (Zones 9-11)

Lupine (Zones 4-7)

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

Detailed Comparison

Feature	Boston Fern	Lupine
Scientific Name	Nephrolepis exaltata	Lupinus polyphyllus
Family	Nephrolepidaceae	Fabaceae
Category	ferns	flowers
Sun	⛅ Part Shade to Full Shade	☀️ Full Sun
Water	💧💧💧 High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Slightly Acidic
Height	3'	4'
Spread	4'	2'
Bloom Season	Non-flowering	Late Spring-Summer
Bloom Color	None	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	Tropical Americas	North America
Maintenance	Medium	Medium

Special Traits

Boston Fern

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Lupine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Boston Fern

✓Mist frequently or use humidity tray.
✓Water when top inch of soil is dry.
✓Keep away from heating vents.
✓Trim brown fronds at base.
✓Divide when crowded.

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 Boston Fern if you don't mind medium maintenance, and want deer resistance. It thrives in part shade to full shade with high 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 Boston FernProfile →View LupineProfile →

Frequently Asked Questions

Can Boston Fern and Lupine grow in the same hardiness zone?

Boston Fern 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 Boston Fern and Lupine have the same sun and water needs?

Boston Fern needs part shade to full shade and 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, Boston Fern or Lupine?

Lupine grows taller at 4' compared to Boston Fern at 3'. Lupine spreads 2' while Boston Fern spreads 4'.

Are Boston Fern and Lupine deer resistant?

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

Which is easier to maintain, Boston Fern or Lupine?

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

Explore More Data Tools

For adjacent public-data tools, methodology notes, and network updates, visit DataPeek Facts.

Detailed Comparison

Feature	Boston Fern	Lupine
Scientific Name	Nephrolepis exaltata	Lupinus polyphyllus
Family	Nephrolepidaceae	Fabaceae
Category	ferns	flowers
Sun	⛅ Part Shade to Full Shade	☀️ Full Sun
Water	💧💧💧 High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Slightly Acidic
Height	3'	4'
Spread	4'	2'
Bloom Season	Non-flowering	Late Spring-Summer
Bloom Color	None	Blue, Purple, Pink, Yellow
Growth Rate	Fast	Medium
Native Region	Tropical Americas	North America
Maintenance	Medium	Medium

Care Tips

Boston Fern

✓Mist frequently or use humidity tray.
✓Water when top inch of soil is dry.
✓Keep away from heating vents.
✓Trim brown fronds at base.
✓Divide when crowded.

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 Boston Fern and Lupine grow in the same hardiness zone?

Boston Fern 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 Boston Fern and Lupine have the same sun and water needs?

Boston Fern needs part shade to full shade and 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, Boston Fern or Lupine?

Lupine grows taller at 4' compared to Boston Fern at 3'. Lupine spreads 2' while Boston Fern spreads 4'.

Are Boston Fern and Lupine deer resistant?

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

Which is easier to maintain, Boston Fern or Lupine?

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