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Snap Bean (String, Green or French Bean)
Phaseolus vulgaris 'Roma II'

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Phaseolus (FAZ-ee-oh-lus) (Info)
Species: vulgaris (vul-GAIR-iss) (Info)
Cultivar: Roma II
Hybridized by Dr. John Morris (Rogers Brothers Seed)
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18-24 in. (45-60 cm)


3-6 in. (7-15 cm)

Seed Type:

Advanced Cultivar

Growth Habit:


Sun Exposure:

Full Sun



Days to Maturity:

41 to 50 days

Bloom Color:

White/Near White

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Propagation Methods:

From seed; direct sow after last frost

Seed Collecting:

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

Properly cleaned, seed can be successfully stored


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

Keystone Heights, Florida

Radford, Virginia

Gardeners' Notes:


On Dec 18, 2003, Farmerdill from Augusta, GA (Zone 8a) wrote:

I also tried Roma II. Under my conditions it had no advantages over the original Roma


On Dec 16, 2002, BeanBreeder wrote:

'Roma II' was developed by Dr.John Morris of Rogers Brothers Seed Company in Twin Falls, Idaho. 'Roma II' was selected by Dr. Morris from his earlier variet 'Roma' for resistance to Bean Common Mosaic Virus (BCMV) strain NY15. 'Roma II' went on to be the standard in this class, and continues today to be a very popular bean for proceesing in the U.S. 'Roma II' was also the top Romano type in Spain for many years until the variety 'Moncayo' from Dr. Ron Riley replaced it in about 1995. 'Roma II' is highly susceptable to bean curly top virus, and can be difficult to produce in desert areas where the aphid vector of curly top is present. 'Roma II'does not have the dominant I gene for control of seed born transmission of BCMV. Therefore, it can act as a "Pandora's box" if a BCMV infected field ... read more