Photo by Melody

PlantFiles: Scaevola
Scaevola thesioides

Family: Goodeniaceae
Genus: Scaevola (skee-VO-luh) (Info)
Species: thesioides

Synonym:Scaevola thesioides subsp. thesioides
Synonym:Lobelia thesioides
Synonym:Merkusia thesioides
Synonym:Scaevola dielsii

Tropicals and Tender Perennials

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

All parts of plant are poisonous if ingested

Bloom Color:
Light Blue
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By kennedyh
Thumbnail #1 of Scaevola thesioides by kennedyh

By Debbie2007
Thumbnail #2 of Scaevola thesioides by Debbie2007


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive JngInAbq On Aug 19, 2012, JngInAbq from Albuquerque, NM wrote:

As it comes from the nursery, the plant typically has flowers whose petals form approximately a half-circle and are about 1/2" along the long side. With appropriate feeding and care ours have grown to 3/4" or more. We feed with an equivalent of Peter's Houseplant food (15-30-15), augmented with some Super Bloom (12-55-6) from Green Light (medium nitrogen, high phosphorous, with some chelated iron). We use about 1/4 teaspoon of each in 1 gallon of water with 3 or 4 drops of Super Thrive and feed EVERY week. This works really well in a pot with bacopa (white, small flowers).
IMPORTANT: Our scaevola seems to want to keep its feet wet, so don't skip more than 1 day without watering if in a warm, dry climate. In Albuquerque, we water ours once a day from a drip system for 1 minute; just don't let the pot dry out. We were gone a couple of days and the drip system section was shut off; the scaevola croaked, but the bacopa came back with some TLC (water and a little root stimulator).


This plant has been said to grow in the following regions:

Brea, California
Merritt Island, Florida
Denham Springs, Louisiana
Albuquerque, New Mexico
Chapel Hill, North Carolina

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