Peony vs Zinnia

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

Peony

Paeonia lactiflora

Paeoniaceae · flowers

Deer ResistantLow Maintenance

Zinnia

Zinnia elegans

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Peony (Zones 3-8)

Zinnia (Zones 2-11)

Overlap: Both grow in zones 3–8

Detailed Comparison

Feature	Peony	Zinnia
Scientific Name	Paeonia lactiflora	Zinnia elegans
Family	Paeoniaceae	Asteraceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Well-drained
Height	3'	3'
Spread	3'	1'
Bloom Season	Late Spring	Summer-Fall
Bloom Color	Pink, White, Red	Mixed
Growth Rate	Slow	Fast
Native Region	East Asia	Mexico
Maintenance	Low	Low

Special Traits

Peony

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Zinnia

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Peony

✓Plant eyes (buds) no deeper than 2 inches below soil surface.
✓Provide support for heavy blooms.
✓Don't move established plants — they resent transplanting.

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 Peony if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 3–8.

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 3–8. However, they have different sun needs, so plan your garden layout carefully.

View PeonyProfile →View ZinniaProfile →

Frequently Asked Questions

Can Peony and Zinnia grow in the same hardiness zone?

Peony grows in USDA zones 3-8, while Zinnia grows in zones 2-11. Both plants can grow together in zones 3 through 8.

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

Peony needs full sun to part 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, Peony or Zinnia?

Both Peony and Zinnia reach approximately 3' in height, with spreads of 3' and 1' respectively.

Are Peony and Zinnia deer resistant?

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

Which is easier to maintain, Peony or Zinnia?

Both Peony 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	Peony	Zinnia
Scientific Name	Paeonia lactiflora	Zinnia elegans
Family	Paeoniaceae	Asteraceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Well-drained
Height	3'	3'
Spread	3'	1'
Bloom Season	Late Spring	Summer-Fall
Bloom Color	Pink, White, Red	Mixed
Growth Rate	Slow	Fast
Native Region	East Asia	Mexico
Maintenance	Low	Low

Care Tips

Peony

✓Plant eyes (buds) no deeper than 2 inches below soil surface.
✓Provide support for heavy blooms.
✓Don't move established plants — they resent transplanting.

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 Peony if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 3–8.

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 3–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Peony and Zinnia grow in the same hardiness zone?

Peony grows in USDA zones 3-8, while Zinnia grows in zones 2-11. Both plants can grow together in zones 3 through 8.

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

Peony needs full sun to part 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, Peony or Zinnia?

Both Peony and Zinnia reach approximately 3' in height, with spreads of 3' and 1' respectively.

Are Peony and Zinnia deer resistant?

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

Which is easier to maintain, Peony or Zinnia?

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