perennial

Blue Daze

Evolvulus glomeratus 'Blue Daze'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

9 inches

Width

30 inches

Light

Full Sun

Zones

Water

Low to moderate

Humidity

High

Lifespan

Perennial in warm zones, annual elsewhere

Native To

Brazil

Toxicity

Non-toxic

The Story

Plant Bio

Evolvulus is a genus of flowering plants in the morning glory family, known for their non-vining, spreading habit and sun-loving nature. They are tender perennials, often grown as annuals in cooler climates. 'Blue Daze' is celebrated for its incredibly vibrant, true sky-blue flowers that cover the plant from spring to frost. The flowers contrast beautifully with its fuzzy, silver-green foliage, and it thrives in heat and humidity.

Bloom Period:

EarlyLate

Uses & Benefits:

Offers one of the truest blue colors in the plant world, providing a stunning visual impact. Its trailing habit makes it exceptionally beautiful in hanging baskets, window boxes, and spilling over the edges of containers and retaining walls.

It's an excellent, low-growing groundcover for hot, sunny areas where other plants might struggle. Its drought and heat tolerance make it a reliable choice for low-maintenance summer color.

The open-faced flowers are accessible to a wide range of small pollinators, including native bees and hoverflies, providing a consistent nectar source throughout its long blooming season.

Marketplace

Where to Buy

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Planting

How to Grow

Choose a location in full, direct sun.
Ensure the soil is sandy and extremely well-drained.
Plant in beds, containers, or hanging baskets.
Space plants 18-24 inches apart to allow them to spread.
Water regularly until established, then reduce frequency.
Fertilize container-grown plants regularly for best performance.

Pro Tip

For the most intense blue color and prolific blooms, provide at least six hours of direct, unfiltered sunlight daily.

Keep It Thriving

Care Guide

Do

Provide excellent drainage; this plant hates wet feet.
Plant in full sun for maximum flowering.
Allow the soil to dry out between waterings.
Pinch back stems if they become too long to encourage bushiness.

Don't

Do not plant in shade; it will result in few to no flowers.
Avoid overwatering, as this is the quickest way to kill the plant.
Don't plant in heavy, clay-like soil.
Do not worry about deadheading; the flowers are self-cleaning.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Plant
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vibrant groundcover for sunny bedsCascading spiller in hanging baskets and containersColorful edging for walkways and borders

Companion Plants

Lantana 'New Gold' Pentas lanceolata Angelonia angustifolia Vinca 'Cora' Calibrachoa 'Superbells'

Multiply

Propagation Methods

Good to Know

Common Questions

Blue Daze questions

What zones can Blue Daze grow in?

Blue Daze is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Blue Daze deer resistant?

Not reliably. Deer may browse Blue Daze, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Blue Daze bloom?

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

Does Blue Daze need full sun?

Blue Daze does best in full sun (6+ hours).

Is Blue Daze drought tolerant?

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