How to Grow Scaevola Purple

Wikimedia Commons

Scaevola Purple

Scaevola aemula 'Purple'

flower

Scaevola Purple is a trailing ornamental flower with distinctive fan-shaped purple blooms and small, soft green foliage. This tender perennial is commonly grown as an annual in cooler climates and is prized for its cascading habit, making it ideal for hanging baskets, containers, and window boxes. The plant produces continuous blooms throughout the growing season with minimal maintenance required.

When should you plant Scaevola Purple in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Scaevola Purple timeline →

Example Scaevola Purple timeline · Pittsburgh, PA (Zone 6b)

Plant Scaevola Purple
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Scaevola Purple blooms
Around May 17

≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Scaevola Purple dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun to partial shade; 6-8 hours of direct sunlight daily for best flowering

💧

Water: Keep soil consistently moist but not waterlogged; water when top inch of soil feels dry. Water more frequently in hot weather and when growing in containers. Reduce watering in winter dormancy.

📏

Spacing: 12-18 inches

📅

Days to maturity: 30-45

🌱

Planting depth: Transplants at same depth as nursery pot; seeds surface-sown or just barely covered

Soil

Type: Well-draining potting soil or sandy loam

pH: 6.0-7.0

Amendments:

Perlite or coarse sand for drainage Compost for organic matter

Growing Zones

Find your zone →

Thrives in zones 10-11; grown as annual in cooler zones

10a 10b 11a 11b

Get my Scaevola Purple timeline →

Growth Stages

Seedling

2-3 weeks

Tiny seedlings emerge with small cotyledons and initial leaf development; very delicate appearance

Maintain high humidity, provide bright indirect light, keep soil moist but not saturated, avoid direct sun

Vegetative Growth

3-4 weeks

Plant develops multiple stems and soft green foliage; begins trailing habit; no flowers yet

Gradually acclimate to full sun, water regularly, pinch stem tips to encourage bushier growth and branching

Flowering Initiation

1-2 weeks

First flower buds appear at stem tips; plant continues to produce new growth

Ensure consistent moisture and full sun exposure, apply balanced fertilizer biweekly, maintain warm temperatures above 60°F

Peak Blooming

8-16 weeks

Abundant fan-shaped purple flowers cover the plant; continuous blooming; trailing stems may exceed 24 inches

Deadhead spent flowers to encourage more blooms, maintain consistent watering, feed every 2-3 weeks with flowering fertilizer, monitor for pests

Senescence (Cool Season/End of Season)

Variable; 4+ weeks before frost

Flowering slows as temperatures drop; foliage may yellow; growth becomes sparse

Reduce watering frequency, stop fertilizing, move indoors in zones below 10, or treat as annual and compost

Companion Planting

Plan your garden →

Plant with:

Bacopa Petunia Verbena Calibrachoa Diascia Sutera

Avoid planting near:

None significant; generally compatible with other annuals

Common Pests

Increase humidity with regular misting, spray with water to dislodge, use insecticidal soap or neem oil if severe
Monitor undersides of leaves, use yellow sticky traps, apply neem oil or insecticidal soap, reduce nitrogen fertilizer
Spray with strong water stream, apply insecticidal soap or neem oil, introduce ladybugs for biological control
Remove with alcohol-dipped cotton swab, spray with insecticidal soap, apply neem oil every 7-10 days

Uses

🏠

Container and Hanging Basket Gardening

Household

Scaevola Purple's trailing habit makes it perfect for cascading arrangements in hanging baskets, window boxes, and container gardens. The continuous purple blooms add vibrant color to patios, balconies, and entryways throughout the growing season. [source]

🏠

Mixed Container Arrangements

Household

Combines beautifully as a spillover or trailing component in mixed container plantings with upright plants like petunias, verbena, or calibrachoa. Adds texture and movement to container gardens. [source]

🏠

Landscape Color

Household

In frost-free zones, Scaevola Purple can be planted directly in garden beds and borders as a ground cover or cascading accent. Provides season-long purple color with minimal maintenance requirements. [source]

🦋

Pollinator Attraction

Wildlife

The abundant purple flowers attract bees, butterflies, and other pollinating insects, making it valuable for supporting pollinator populations in gardens. [source]

Harvest Tips

Deadheading is not essential but highly recommended to promote continuous flowering. Pinch off spent flower clusters regularly throughout the growing season. No harvest for consumption; this is ornamental only.

Fun Facts

🌱 Scaevola is native to Australia and comes from the genus name meaning 'left-handed,' referring to the one-sided fan-shaped flower structure.
🌱 Unlike many trailing annuals, Scaevola Purple blooms continuously with minimal deadheading required, making it exceptionally low-maintenance for container gardens.
🌱 The plant can tolerate partial shade better than many sun-loving annuals, making it versatile for both sunny and partially shaded container locations.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Annual Compost Deadhead Full Sun Partial Shade Perennial

Shop Scaevola Purple plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Scaevola Purple planting timeline

Tell us your zip code and we'll calculate exactly when to start Scaevola Purple seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Scaevola Purple timeline →