Daylily vs Lilac

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

Daylily

Hemerocallis spp.

Asparagaceae · flowers

EdibleLow Maintenance

Lilac

Syringa vulgaris

Oleaceae · shrubs

Deer ResistantLow Maintenance

Hardiness Zone Range

Daylily (Zones 3-10)

Lilac (Zones 3-7)

Overlap: Both grow in zones 3–7

Detailed Comparison

Feature	Daylily	Lilac
Scientific Name	Hemerocallis spp.	Syringa vulgaris
Family	Asparagaceae	Oleaceae
Category	flowers	shrubs
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Adaptable	Well-drained, Neutral to Alkaline
Height	3'	15'
Spread	2'	10'
Bloom Season	Summer	Spring
Bloom Color	Yellow, Orange, Red, Pink	Purple, White, Pink
Growth Rate	Fast	Medium
Native Region	East Asia	Southeastern Europe
Maintenance	Low	Low

Special Traits

Daylily

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Lilac

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Daylily

✓Remove spent scapes after blooming.
✓Divide every 3-5 years when clumps become crowded.
✓Virtually pest and disease free.

Lilac

✓Needs winter chill — struggles in warm climates.
✓Prune immediately after flowering.
✓Remove suckers unless you want a colony.
✓Good air circulation prevents mildew.

Which Plant Is Right for Your Garden?

Choose Daylily if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 3–10.

Choose Lilac if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

View DaylilyProfile →View LilacProfile →

Frequently Asked Questions

Can Daylily and Lilac grow in the same hardiness zone?

Daylily grows in USDA zones 3-10, while Lilac grows in zones 3-7. Both plants can grow together in zones 3 through 7.

Do Daylily and Lilac have the same sun and water needs?

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

Which grows taller, Daylily or Lilac?

Lilac grows taller at 15' compared to Daylily at 3'. Lilac spreads 10' while Daylily spreads 2'.

Are Daylily and Lilac deer resistant?

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

Which is easier to maintain, Daylily or Lilac?

Both Daylily and Lilac 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	Daylily	Lilac
Scientific Name	Hemerocallis spp.	Syringa vulgaris
Family	Asparagaceae	Oleaceae
Category	flowers	shrubs
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Adaptable	Well-drained, Neutral to Alkaline
Height	3'	15'
Spread	2'	10'
Bloom Season	Summer	Spring
Bloom Color	Yellow, Orange, Red, Pink	Purple, White, Pink
Growth Rate	Fast	Medium
Native Region	East Asia	Southeastern Europe
Maintenance	Low	Low

Care Tips

Daylily

✓Remove spent scapes after blooming.
✓Divide every 3-5 years when clumps become crowded.
✓Virtually pest and disease free.

Lilac

✓Needs winter chill — struggles in warm climates.
✓Prune immediately after flowering.
✓Remove suckers unless you want a colony.
✓Good air circulation prevents mildew.

Which Plant Is Right for Your Garden?

Choose Daylily if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 3–10.

Choose Lilac if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Daylily and Lilac grow in the same hardiness zone?

Daylily grows in USDA zones 3-10, while Lilac grows in zones 3-7. Both plants can grow together in zones 3 through 7.

Do Daylily and Lilac have the same sun and water needs?

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

Which grows taller, Daylily or Lilac?

Lilac grows taller at 15' compared to Daylily at 3'. Lilac spreads 10' while Daylily spreads 2'.

Are Daylily and Lilac deer resistant?

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

Which is easier to maintain, Daylily or Lilac?

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