Hyacinth vs Sweet Pea

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

Hyacinth

Hyacinthus orientalis

Asparagaceae · bulbs

Deer ResistantLow Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Hyacinth (Zones 4-8)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 4–8

Detailed Comparison

Feature	Hyacinth	Sweet Pea
Scientific Name	Hyacinthus orientalis	Lathyrus odoratus
Family	Asparagaceae	Fabaceae
Category	bulbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	1'	6'
Spread	6"	1'
Bloom Season	Spring	Spring-Summer
Bloom Color	Purple, Blue, Pink, White	Mixed
Growth Rate	Medium	Fast
Native Region	Mediterranean, Middle East	Italy, Sicily
Maintenance	Low	Medium

Special Traits

Hyacinth

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Hyacinth

✓Plant 6 inches deep in fall.
✓Refrigerate bulbs 12-14 weeks in warm climates.
✓Handle with gloves — bulbs can cause skin irritation.
✓Force indoors in water for winter blooms.

Sweet Pea

✓Soak seeds overnight before planting.
✓Provide trellis or netting.
✓Pick flowers frequently to prolong bloom.
✓Needs cool weather — plant early spring or fall in warm areas.

Which Plant Is Right for Your Garden?

Choose Hyacinth if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 4–8.

Choose Sweet Pea if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 4–8. They share similar sun requirements (full sun), making them potential garden companions.

View HyacinthProfile →View Sweet PeaProfile →

Frequently Asked Questions

Can Hyacinth and Sweet Pea grow in the same hardiness zone?

Hyacinth grows in USDA zones 4-8, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 4 through 8.

Do Hyacinth and Sweet Pea have the same sun and water needs?

Hyacinth needs full sun and medium water, while Sweet Pea needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Hyacinth or Sweet Pea?

Sweet Pea grows taller at 6' compared to Hyacinth at 1'. Sweet Pea spreads 1' while Hyacinth spreads 6".

Are Hyacinth and Sweet Pea deer resistant?

Yes, both Hyacinth and Sweet Pea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Hyacinth or Sweet Pea?

Hyacinth has low maintenance while Sweet Pea has medium maintenance. Hyacinth may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Hyacinth	Sweet Pea
Scientific Name	Hyacinthus orientalis	Lathyrus odoratus
Family	Asparagaceae	Fabaceae
Category	bulbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	1'	6'
Spread	6"	1'
Bloom Season	Spring	Spring-Summer
Bloom Color	Purple, Blue, Pink, White	Mixed
Growth Rate	Medium	Fast
Native Region	Mediterranean, Middle East	Italy, Sicily
Maintenance	Low	Medium

Care Tips

Hyacinth

✓Plant 6 inches deep in fall.
✓Refrigerate bulbs 12-14 weeks in warm climates.
✓Handle with gloves — bulbs can cause skin irritation.
✓Force indoors in water for winter blooms.

Sweet Pea

✓Soak seeds overnight before planting.
✓Provide trellis or netting.
✓Pick flowers frequently to prolong bloom.
✓Needs cool weather — plant early spring or fall in warm areas.

Which Plant Is Right for Your Garden?

Choose Hyacinth if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 4–8.

Choose Sweet Pea if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 4–8. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Hyacinth and Sweet Pea grow in the same hardiness zone?

Hyacinth grows in USDA zones 4-8, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 4 through 8.

Do Hyacinth and Sweet Pea have the same sun and water needs?

Hyacinth needs full sun and medium water, while Sweet Pea needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Hyacinth or Sweet Pea?

Sweet Pea grows taller at 6' compared to Hyacinth at 1'. Sweet Pea spreads 1' while Hyacinth spreads 6".

Are Hyacinth and Sweet Pea deer resistant?

Yes, both Hyacinth and Sweet Pea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Hyacinth or Sweet Pea?

Hyacinth has low maintenance while Sweet Pea has medium maintenance. Hyacinth may be easier for beginning gardeners to manage.