Astilbe vs Creeping Thyme

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

Astilbe

Astilbe × arendsii

Saxifragaceae · flowers

Deer ResistantLow Maintenance

Creeping Thyme

Thymus serpyllum

Lamiaceae · groundcovers

EdibleDeer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Astilbe (Zones 4-8)

Creeping Thyme (Zones 4-8)

Overlap: Both grow in zones 4–8

Detailed Comparison

Feature	Astilbe	Creeping Thyme
Scientific Name	Astilbe × arendsii	Thymus serpyllum
Family	Saxifragaceae	Lamiaceae
Category	flowers	groundcovers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧 Low
Soil	Rich, Moist	Well-drained, Poor
Height	3'	3"
Spread	2'	1' 6"
Bloom Season	Summer	Summer
Bloom Color	Red, Pink, White, Purple	Pink, Purple
Growth Rate	Medium	Medium
Native Region	East Asia	Europe
Maintenance	Low	Low

Special Traits

Astilbe

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Creeping Thyme

Yes — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Astilbe

✓Must have consistently moist soil — wilts quickly if dry.
✓Divide every 3-4 years.
✓Leave dried flower heads for winter texture.
✓Feed in spring with balanced fertilizer.

Creeping Thyme

✓Needs excellent drainage.
✓Don't over-fertilize — poor soil is fine.
✓Shear after flowering.
✓Plant between stepping stones for a fragrant pathway.

Which Plant Is Right for Your Garden?

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

Choose Creeping Thyme if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 4–8.

Plant them together? Both overlap in zones 4–8. However, they have different sun needs, so plan your garden layout carefully.

View AstilbeProfile →View Creeping ThymeProfile →

Frequently Asked Questions

Can Astilbe and Creeping Thyme grow in the same hardiness zone?

Astilbe grows in USDA zones 4-8, while Creeping Thyme grows in zones 4-8. Both plants can grow together in zones 4 through 8.

Do Astilbe and Creeping Thyme have the same sun and water needs?

Astilbe needs part shade and medium to high water, while Creeping Thyme needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Astilbe or Creeping Thyme?

Astilbe grows taller at 3' compared to Creeping Thyme at 3". Astilbe spreads 2' while Creeping Thyme spreads 1' 6".

Are Astilbe and Creeping Thyme deer resistant?

Yes, both Astilbe and Creeping Thyme are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Astilbe or Creeping Thyme?

Both Astilbe and Creeping Thyme 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	Astilbe	Creeping Thyme
Scientific Name	Astilbe × arendsii	Thymus serpyllum
Family	Saxifragaceae	Lamiaceae
Category	flowers	groundcovers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧 Low
Soil	Rich, Moist	Well-drained, Poor
Height	3'	3"
Spread	2'	1' 6"
Bloom Season	Summer	Summer
Bloom Color	Red, Pink, White, Purple	Pink, Purple
Growth Rate	Medium	Medium
Native Region	East Asia	Europe
Maintenance	Low	Low

Care Tips

Astilbe

✓Must have consistently moist soil — wilts quickly if dry.
✓Divide every 3-4 years.
✓Leave dried flower heads for winter texture.
✓Feed in spring with balanced fertilizer.

Creeping Thyme

✓Needs excellent drainage.
✓Don't over-fertilize — poor soil is fine.
✓Shear after flowering.
✓Plant between stepping stones for a fragrant pathway.

Which Plant Is Right for Your Garden?

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

Choose Creeping Thyme if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 4–8.

Plant them together? Both overlap in zones 4–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Astilbe and Creeping Thyme grow in the same hardiness zone?

Astilbe grows in USDA zones 4-8, while Creeping Thyme grows in zones 4-8. Both plants can grow together in zones 4 through 8.

Do Astilbe and Creeping Thyme have the same sun and water needs?

Astilbe needs part shade and medium to high water, while Creeping Thyme needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Astilbe or Creeping Thyme?

Astilbe grows taller at 3' compared to Creeping Thyme at 3". Astilbe spreads 2' while Creeping Thyme spreads 1' 6".

Are Astilbe and Creeping Thyme deer resistant?

Yes, both Astilbe and Creeping Thyme are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Astilbe or Creeping Thyme?

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