bulb corm tuber

Sentimental Blue Starflower

Ipheion uniflorum 'Sentimental Blue'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

6 inches

Width

6 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Southern South America

Toxicity

May cause mild stomach upset if ingested in large quantities

The Story

Plant Bio

Ipheion uniflorum, commonly known as spring starflower, is a small bulbous perennial. It produces fragrant, star-shaped, solitary flowers in spring atop leafless stems, surrounded by narrow, grassy, onion-scented leaves. 'Sentimental Blue' is a cultivar noted for its larger-than-typical, soft violet-blue flowers.

Bloom Period:

EarlyLate

Uses & Benefits:

Ipheion uniflorum Sentimental Blue offers charming, fragrant blue flowers in early spring, brightening borders and rock gardens.

Its low-maintenance nature makes it ideal for naturalized areas and groundcover.

Provides early nectar for pollinators such as bees and butterflies.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck bulbs 3 inches deep in well-draining soil in fall.
Water lightly after planting to settle soil.
Mist foliage during active growth for even moisture.
Thin out crowded plants in early spring for better airflow.
Divide clumps every 3-4 years in late summer or fall.
Mulch lightly to retain moisture and suppress weeds.

Pro Tip

Plant bulbs in a sunny spot with well-draining soil for best blooms.

Keep It Thriving

Care Guide

Do

Water regularly during active growth 🌱
Apply a balanced fertilizer in early spring
Remove spent flowers to encourage new growth
Mulch to conserve moisture and keep roots cool

Don't

Avoid overwatering to prevent bulb rot ❌
Don't plant too deep, as it hampers blooming
Refrain from using heavy clay soil without amendments
Avoid neglecting to mulch in dry seasons

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Soft blue-flowered groundcoverFragrant border along pathways

Companion Plants

Crocus Grape Hyacinth Snowdrops Daffodils

Multiply

Propagation Methods

Good to Know

Common Questions

Sentimental Blue Starflower questions

What zones can Sentimental Blue Starflower grow in?

Sentimental Blue Starflower is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Sentimental Blue Starflower deer resistant?

Yes — Sentimental Blue Starflower is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Sentimental Blue Starflower bloom?

Sentimental Blue Starflower typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Sentimental Blue Starflower need full sun?

Sentimental Blue Starflower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Sentimental Blue Starflower drought tolerant?

Yes — once established (usually after the first full season), Sentimental Blue Starflower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.