Impatiens repens
Lindsay Anderson HORT 5051 Spring 2008
Photograph: www.rareflora.com/ impatiensrep.htm Taxonomy
Scientific Name: Impatiens repens
Common Name(s) : Yellow Balsam Creeping Impatiens Golden Dragon Ceylon Balsam Jewelweed
Family: Balsaminaceae Taxonomic Description
Overall Plant Habit/Description: Creeping/trailing perennial/annual with fleshy red stems
Root System Type: Fibrous
Presence/Type of Underground Storage Organs: ~
Leaves: Small kidney-shaped leaves
Flower: Yellow hooded flower, 4 cm long
Season of Bloom: Late Spring-Fall, intermittent blooming
Use(s) by indigenous people: ~ Geographic Distribution
Continent(s): Asia Countries: Sri Lanka, India Latitudinal Ranges: Altitude: General Climatic Conditions: Tendency to naturalize or become invasive: Native Habitat
Habitat (climactic factors):
Plant Community: Propagation Method(s)
Vegetative vs. Seed: Seed and vegetative propagated
Vegetative Plant Tissue Source(s):
Proposed Vegetative Propagation Method(s) & Temperatures: Product Specifications
Crop Ideotype: Market Niche
Target Sales Date(s): Mid to late spring through early fall Competitive Crops: All flowering trailing crops Possibility of being a Major Crop: Little to none Initial Crop Limitations/Problems: Intermittent blooming and zonal limitations Identifiably to Growers & Consumers: Little to none Time of Product Availability: 5 to 10 years to refine flowering, selection of cultivars/varieties, and production scheduling Cultural Requirements
Hardiness (USDA Zones): 10 and higher (outdoors) Heat/Drought Tolerance: Heat tolerant, but needs moist conditions Temperature: 70°-75° F, minimum temp. 60° F Light: 50-100 fc Nutrition: 100 ppm N every second or third watering cycle Soil: 50:50 peat moss/vermiculite mix
Photograph: www.logees.com/prodinfo. asp?number=R1371-2 Cultural Requirements
Plant Growth Regulators: None required, but applications of B-9, Sumagic, and Bonzi can be applied
Container Size: 50 plug tray-- 4.5” pot --6” pot or hanging basket
Disease Resistance/Susceptibility: Impatiens Necrotic Spot Virus (INSV) and Tomato Spotted Wilt Virus (TSWV) spread by thrips
Fungicides/Insecticides: ~ Production Schedule
Vegetative cuttings are stuck and placed in a mist chamber. No rooting aids need be applied (ex. IBA).
After eight weeks (21 days), cuttings are ready for transplant.
Once transplanted, the cuttings should be ready for flowering in 35 days.
Total vegetative production time: 18 weeks Needs Assessment for Genetic Improvement
Literature Cited
Singapore National Parks Flora Web. http://floraweb.nparks.gov.sg/search/viewDetail.action;jsessionid=3728D3793896B 53B66E721175396DC44?pgId=4035052873054257&key=1. Accessed: May, 2008.