Yellow Morning Glory
Merremia aurea

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Merremia (me-REE-mee-uh) (Info)
Species: aurea (AW-re-uh) (Info)

Category:

Annuals

Tropicals and Tender Perennials

Vines and Climbers

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

Spacing:

3-6 in. (7-15 cm)

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)

Hardiness:

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

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

Danger:

Seed is poisonous if ingested

Parts of plant are poisonous if ingested

Bloom Color:

Bright Yellow

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Late Fall/Early Winter

Foliage:

Grown for foliage

Evergreen

Blue-Green

Smooth-Textured

Other details:

This plant is attractive to bees, butterflies and/or birds

This plant is suitable for growing indoors

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Suitable for growing in containers

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From herbaceous stem cuttings

From softwood cuttings

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; sow indoors before last frost

From seed; direct sow after last frost

From seed; germinate in a damp paper towel

From seed; germinate in vitro in gelatin, agar or other medium

Scarify seed before sowing

By simple layering

Seed Collecting:

Collect seedhead/pod when flowers fade; allow to dry

Allow pods to dry on plant; break open to collect seeds

Properly cleaned, seed can be successfully stored

Regional

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

Mesa, Arizona

Lafayette, Tennessee

Austin, Texas

Plano, Texas

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Sep 19, 2005, Texasbloomer from Plano, TX wrote:

I babied these seeds for weeks & weeks before they'd sprout in the pots I started them in March through late May. Pulled the large seeds out of the dirt after a couple months, re-knicked them, soaked them again for 2 days starting w/warm water and changing it to re-warm several times a day. Replanted. FINALLY you'd see the 'stick' come out of the seed's side (unusual germination) and they grew quickly. Palm leaf. Huge vine, 25' ++ at least. Over my brick wall and growing like crazy.
BUT NO SIGN OF ANY BLOOM!
A reference in France where I got a handful of my seeds said they NEVER bloom the first year. As fall approaches, I'm trying to figure out what to do with it over our usually mild winter here in Dallas. But...if growing, provide tons of space for it; it took over... read more