Photo by Melody

PlantFiles: Yellow Morning Glory
Merremia aurea

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

18 members have or want this plant for trade.

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

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Texasbloomer 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 2 of my crepes and another of my mg vines!
I think this one is worth the trouble to keep, however that may be!

Regional...

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

Mesa, Arizona
Lafayette, Tennessee
Austin, Texas
Plano, Texas



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