Impatiens vs Japanese Painted Fern

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

Impatiens

Impatiens walleriana

Balsaminaceae · flowers

Low Maintenance

Japanese Painted Fern

Athyrium niponicum

Athyriaceae · ferns

Deer ResistantLow Maintenance

Hardiness Zone Range

Impatiens (Zones 10-11)

Japanese Painted Fern (Zones 4-8)

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

Detailed Comparison

Feature	Impatiens	Japanese Painted Fern
Scientific Name	Impatiens walleriana	Athyrium niponicum
Family	Balsaminaceae	Athyriaceae
Category	flowers	ferns
Sun	⛅ Part Shade to Full Shade	⛅ Part Shade to Full Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Moist
Height	1' 6"	1' 6"
Spread	1' 6"	2'
Bloom Season	Spring-Fall	Non-flowering
Bloom Color	Mixed	None
Growth Rate	Fast	Medium
Native Region	East Africa	Japan, East Asia
Maintenance	Low	Low

Special Traits

Impatiens

No — EdibleNo — Deer ResistantNo — Drought Tolerant

Japanese Painted Fern

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Impatiens

✓Keep soil consistently moist.
✓No deadheading needed — self-cleaning.
✓Pinch for bushier growth.
✓Watch for downy mildew — choose resistant varieties.
✓Feed monthly.

Japanese Painted Fern

✓Provide consistent moisture but not soggy soil.
✓Pairs beautifully with hostas and astilbes.
✓Cut back dead fronds in spring.
✓Slowly spreads to form elegant colonies.

Which Plant Is Right for Your Garden?

Choose Impatiens if you want a low-maintenance plant. It thrives in part shade to full shade with medium water in zones 10–11.

Choose Japanese Painted Fern if you want a low-maintenance plant, and want deer resistance. It thrives in part shade to full shade with medium water in zones 4–8.

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Frequently Asked Questions

Can Impatiens and Japanese Painted Fern grow in the same hardiness zone?

Impatiens grows in USDA zones 10-11, while Japanese Painted Fern grows in zones 4-8. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Impatiens and Japanese Painted Fern have the same sun and water needs?

Impatiens needs part shade to full shade and medium water, while Japanese Painted Fern needs part shade to full shade and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Impatiens or Japanese Painted Fern?

Both Impatiens and Japanese Painted Fern reach approximately 1' 6" in height, with spreads of 1' 6" and 2' respectively.

Are Impatiens and Japanese Painted Fern deer resistant?

Japanese Painted Fern is deer resistant, but Impatiens is not. If deer are a concern, Japanese Painted Fern is the better choice, or protect Impatiens with fencing.

Which is easier to maintain, Impatiens or Japanese Painted Fern?

Both Impatiens and Japanese Painted Fern have low 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	Impatiens	Japanese Painted Fern
Scientific Name	Impatiens walleriana	Athyrium niponicum
Family	Balsaminaceae	Athyriaceae
Category	flowers	ferns
Sun	⛅ Part Shade to Full Shade	⛅ Part Shade to Full Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Moist
Height	1' 6"	1' 6"
Spread	1' 6"	2'
Bloom Season	Spring-Fall	Non-flowering
Bloom Color	Mixed	None
Growth Rate	Fast	Medium
Native Region	East Africa	Japan, East Asia
Maintenance	Low	Low

Care Tips

Impatiens

✓Keep soil consistently moist.
✓No deadheading needed — self-cleaning.
✓Pinch for bushier growth.
✓Watch for downy mildew — choose resistant varieties.
✓Feed monthly.

Japanese Painted Fern

✓Provide consistent moisture but not soggy soil.
✓Pairs beautifully with hostas and astilbes.
✓Cut back dead fronds in spring.
✓Slowly spreads to form elegant colonies.

Frequently Asked Questions

Can Impatiens and Japanese Painted Fern grow in the same hardiness zone?

Impatiens grows in USDA zones 10-11, while Japanese Painted Fern grows in zones 4-8. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Impatiens and Japanese Painted Fern have the same sun and water needs?

Which grows taller, Impatiens or Japanese Painted Fern?

Both Impatiens and Japanese Painted Fern reach approximately 1' 6" in height, with spreads of 1' 6" and 2' respectively.

Are Impatiens and Japanese Painted Fern deer resistant?

Japanese Painted Fern is deer resistant, but Impatiens is not. If deer are a concern, Japanese Painted Fern is the better choice, or protect Impatiens with fencing.

Which is easier to maintain, Impatiens or Japanese Painted Fern?

Both Impatiens and Japanese Painted Fern have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.