Astilbe vs Orange Tree

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

Astilbe

Astilbe × arendsii

Saxifragaceae · flowers

Deer ResistantLow Maintenance

Orange Tree

Citrus sinensis

Rutaceae · trees

EdibleDeer ResistantMedium Maintenance

Hardiness Zone Range

Astilbe (Zones 4-8)

Orange Tree (Zones 9-11)

No zone overlap — these plants cannot be grown in the same climate

Detailed Comparison

Feature	Astilbe	Orange Tree
Scientific Name	Astilbe × arendsii	Citrus sinensis
Family	Saxifragaceae	Rutaceae
Category	flowers	trees
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Sandy
Height	3'	30'
Spread	2'	25'
Bloom Season	Summer	Spring
Bloom Color	Red, Pink, White, Purple	White
Growth Rate	Medium	Medium
Native Region	East Asia	Southeast Asia, China
Maintenance	Low	Medium

Special Traits

Astilbe

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Orange Tree

Yes — EdibleYes — Deer ResistantNo — 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.

Orange Tree

✓Protect from frost.
✓Feed with citrus fertilizer 3-4 times per year.
✓Water deeply and consistently.
✓Prune only to shape.
✓Pest management for citrus greening disease.

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 Orange Tree if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 9–11.

View AstilbeProfile →View Orange TreeProfile →

Frequently Asked Questions

Can Astilbe and Orange Tree grow in the same hardiness zone?

Astilbe grows in USDA zones 4-8, while Orange Tree grows in zones 9-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Astilbe and Orange Tree have the same sun and water needs?

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

Which grows taller, Astilbe or Orange Tree?

Orange Tree grows taller at 30' compared to Astilbe at 3'. Orange Tree spreads 25' while Astilbe spreads 2'.

Are Astilbe and Orange Tree deer resistant?

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

Which is easier to maintain, Astilbe or Orange Tree?

Astilbe has low maintenance while Orange Tree has medium maintenance. Astilbe may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Astilbe	Orange Tree
Scientific Name	Astilbe × arendsii	Citrus sinensis
Family	Saxifragaceae	Rutaceae
Category	flowers	trees
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium to High	💧💧 Medium
Soil	Rich, Moist	Well-drained, Sandy
Height	3'	30'
Spread	2'	25'
Bloom Season	Summer	Spring
Bloom Color	Red, Pink, White, Purple	White
Growth Rate	Medium	Medium
Native Region	East Asia	Southeast Asia, China
Maintenance	Low	Medium

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.

Orange Tree

✓Protect from frost.
✓Feed with citrus fertilizer 3-4 times per year.
✓Water deeply and consistently.
✓Prune only to shape.
✓Pest management for citrus greening disease.

Frequently Asked Questions

Can Astilbe and Orange Tree grow in the same hardiness zone?

Astilbe grows in USDA zones 4-8, while Orange Tree grows in zones 9-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Astilbe and Orange Tree have the same sun and water needs?

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

Which grows taller, Astilbe or Orange Tree?

Orange Tree grows taller at 30' compared to Astilbe at 3'. Orange Tree spreads 25' while Astilbe spreads 2'.

Are Astilbe and Orange Tree deer resistant?

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

Which is easier to maintain, Astilbe or Orange Tree?

Astilbe has low maintenance while Orange Tree has medium maintenance. Astilbe may be easier for beginning gardeners to manage.