Impatiens vs Zinnia

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

Impatiens

Impatiens walleriana

Balsaminaceae · flowers

Low Maintenance

Zinnia

Zinnia elegans

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Impatiens (Zones 10-11)

Zinnia (Zones 2-11)

Overlap: Both grow in zones 10–11

Detailed Comparison

Feature	Impatiens	Zinnia
Scientific Name	Impatiens walleriana	Zinnia elegans
Family	Balsaminaceae	Asteraceae
Category	flowers	flowers
Sun	⛅ Part Shade to Full Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Well-drained
Height	1' 6"	3'
Spread	1' 6"	1'
Bloom Season	Spring-Fall	Summer-Fall
Bloom Color	Mixed	Mixed
Growth Rate	Fast	Fast
Native Region	East Africa	Mexico
Maintenance	Low	Low

Special Traits

Impatiens

No — EdibleNo — Deer ResistantNo — Drought Tolerant

Zinnia

No — EdibleYes — Deer ResistantYes — 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.

Zinnia

✓Direct sow after last frost — zinnias dislike transplanting.
✓Space for air circulation to prevent powdery mildew.
✓Deadhead for continuous bloom.

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 Zinnia if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 10–11. However, they have different sun needs, so plan your garden layout carefully.

View ImpatiensProfile →View ZinniaProfile →

Frequently Asked Questions

Can Impatiens and Zinnia grow in the same hardiness zone?

Impatiens grows in USDA zones 10-11, while Zinnia grows in zones 2-11. Both plants can grow together in zones 10 through 11.

Do Impatiens and Zinnia have the same sun and water needs?

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

Which grows taller, Impatiens or Zinnia?

Zinnia grows taller at 3' compared to Impatiens at 1' 6". Zinnia spreads 1' while Impatiens spreads 1' 6".

Are Impatiens and Zinnia deer resistant?

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

Which is easier to maintain, Impatiens or Zinnia?

Both Impatiens and Zinnia 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	Zinnia
Scientific Name	Impatiens walleriana	Zinnia elegans
Family	Balsaminaceae	Asteraceae
Category	flowers	flowers
Sun	⛅ Part Shade to Full Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Well-drained
Height	1' 6"	3'
Spread	1' 6"	1'
Bloom Season	Spring-Fall	Summer-Fall
Bloom Color	Mixed	Mixed
Growth Rate	Fast	Fast
Native Region	East Africa	Mexico
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.

Zinnia

✓Direct sow after last frost — zinnias dislike transplanting.
✓Space for air circulation to prevent powdery mildew.
✓Deadhead for continuous bloom.

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 Zinnia if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 10–11. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Impatiens and Zinnia grow in the same hardiness zone?

Impatiens grows in USDA zones 10-11, while Zinnia grows in zones 2-11. Both plants can grow together in zones 10 through 11.

Do Impatiens and Zinnia have the same sun and water needs?

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

Which grows taller, Impatiens or Zinnia?

Zinnia grows taller at 3' compared to Impatiens at 1' 6". Zinnia spreads 1' while Impatiens spreads 1' 6".

Are Impatiens and Zinnia deer resistant?

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

Which is easier to maintain, Impatiens or Zinnia?

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