Allium vs Sedum (Stonecrop)

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

Allium

Allium giganteum

Amaryllidaceae · bulbs

Deer ResistantDrought TolerantLow Maintenance

Sedum (Stonecrop)

Sedum spp.

Crassulaceae · groundcovers

EdibleDeer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Allium (Zones 5-8)

Sedum (Stonecrop) (Zones 3-9)

Overlap: Both grow in zones 5–8

Detailed Comparison

Feature	Allium	Sedum (Stonecrop)
Scientific Name	Allium giganteum	Sedum spp.
Family	Amaryllidaceae	Crassulaceae
Category	bulbs	groundcovers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧 Low
Soil	Well-drained	Well-drained, Poor
Height	4'	6"
Spread	1'	2'
Bloom Season	Late Spring	Summer
Bloom Color	Purple	Yellow, Pink, White
Growth Rate	Medium	Fast
Native Region	Central Asia	Northern Hemisphere
Maintenance	Low	Low

Special Traits

Allium

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Sedum (Stonecrop)

Yes — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Allium

✓Plant bulbs 8 inches deep in fall.
✓Deer and rodent proof.
✓Leave dried seed heads for winter interest.
✓Foliage dies before flowers appear — plant behind shorter companions.

Sedum (Stonecrop)

✓Needs very little water once established.
✓Thrives in poor soil.
✓Break off stems and press into soil to propagate.
✓Great for green roofs and rock walls.

Which Plant Is Right for Your Garden?

Choose Allium if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–8.

Choose Sedum (Stonecrop) if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–9.

Plant them together? Both overlap in zones 5–8. They share similar sun requirements (full sun), making them potential garden companions.

View AlliumProfile →View Sedum (Stonecrop)Profile →

Frequently Asked Questions

Can Allium and Sedum (Stonecrop) grow in the same hardiness zone?

Allium grows in USDA zones 5-8, while Sedum (Stonecrop) grows in zones 3-9. Both plants can grow together in zones 5 through 8.

Do Allium and Sedum (Stonecrop) have the same sun and water needs?

Allium needs full sun and low water, while Sedum (Stonecrop) needs full sun and low water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Allium or Sedum (Stonecrop)?

Allium grows taller at 4' compared to Sedum (Stonecrop) at 6". Allium spreads 1' while Sedum (Stonecrop) spreads 2'.

Are Allium and Sedum (Stonecrop) deer resistant?

Yes, both Allium and Sedum (Stonecrop) are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Allium or Sedum (Stonecrop)?

Both Allium and Sedum (Stonecrop) 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	Allium	Sedum (Stonecrop)
Scientific Name	Allium giganteum	Sedum spp.
Family	Amaryllidaceae	Crassulaceae
Category	bulbs	groundcovers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧 Low
Soil	Well-drained	Well-drained, Poor
Height	4'	6"
Spread	1'	2'
Bloom Season	Late Spring	Summer
Bloom Color	Purple	Yellow, Pink, White
Growth Rate	Medium	Fast
Native Region	Central Asia	Northern Hemisphere
Maintenance	Low	Low

Care Tips

Allium

✓Plant bulbs 8 inches deep in fall.
✓Deer and rodent proof.
✓Leave dried seed heads for winter interest.
✓Foliage dies before flowers appear — plant behind shorter companions.

Sedum (Stonecrop)

✓Needs very little water once established.
✓Thrives in poor soil.
✓Break off stems and press into soil to propagate.
✓Great for green roofs and rock walls.

Which Plant Is Right for Your Garden?

Choose Allium if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–8.

Choose Sedum (Stonecrop) if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–9.

Plant them together? Both overlap in zones 5–8. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Allium and Sedum (Stonecrop) grow in the same hardiness zone?

Allium grows in USDA zones 5-8, while Sedum (Stonecrop) grows in zones 3-9. Both plants can grow together in zones 5 through 8.

Do Allium and Sedum (Stonecrop) have the same sun and water needs?

Allium needs full sun and low water, while Sedum (Stonecrop) needs full sun and low water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Allium or Sedum (Stonecrop)?

Allium grows taller at 4' compared to Sedum (Stonecrop) at 6". Allium spreads 1' while Sedum (Stonecrop) spreads 2'.

Are Allium and Sedum (Stonecrop) deer resistant?

Yes, both Allium and Sedum (Stonecrop) are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Allium or Sedum (Stonecrop)?

Both Allium and Sedum (Stonecrop) have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.