The common bean plant is one of the most popular vegetables grown around the world. It is also known as “the vegetable that keeps us alive”. There are many varieties of beans, but they all have a similar appearance: smooth green skin with dark spots or stripes along its length and a distinctive white spot at the top. They grow best in warm climates where there is plenty of sunlight and moisture.
Green beans are very nutritious, containing vitamins A, C and K, iron and calcium. They are also high in protein (16%) and low in fat (4%). However, they do contain some carbohydrates which makes them less desirable than other types of vegetables such as spinach or broccoli.
Green beans also have a long shelf life because they keep well when stored properly. They will last for several years if kept refrigerated or frozen.
There are two main ways to grow green beans: indoors or outdoors. Both methods provide different benefits.
Indoors: Indoor growing requires little space and produces larger quantities of beans. Indoors, the plants need light and warmth to thrive so they require a greenhouse or covered area that provides both. Greenhouse grows must be maintained regularly to prevent over watering and mold growth due to lack of air circulation.
The cost of maintaining a greenhouse is usually high and the lights used to grow the plants are expensive to run.
Outdoors: This method requires more space, but it provides adequate light and warmth to the beans naturally. It also does not require any additional costs for electricity or heating as long as there is sunlight available in your area. If you live in an area with harsh weather conditions, you may need to protect the plants from frost or strong winds.
Beans grow in long strands from a vine. They are either grown on a tall pole structure (also called “pole beans” and “yard-long beans”) or hung from a string that is tied to a pole or trellis (called “string beans” or “snap beans”). The purpose of the pole or string is to provide the bean plant support as it grows, since bean plants tend to grow quite long.
1:04 Watch Now: How To Grow Green Beans: Planting & Maintenance
The most common disease that affects pole bean plants is called “white mold”. The disease appears as a fine, white powder that develops on the surface of the leaves and stems of the plant. It usually occurs during hot, humid months and results in the death of the bean plant.
The leaves first turn yellow then wither and die. If you notice an infestation of white mold, remove and destroy the affected plants immediately.
If you notice any pests such as aphids or bean beetles, immediately eliminate them by hand or use one of many commercially available solutions to kill the pests on contact.
Harvest your pole bean harvest when the bean pods feel full and smooth. Pinch the stem of each pod to remove it from the rest of the plant. This will allow the remaining beans to continue growing stronger.
Store your beans in a cool, dry place such as your pantry. They should keep for up to one week.
Green bean varieties come in two main types. Step 1: Prepare Your Container
1. Select a pot that has several drainage holes in the bottom, or get a pot with several holes that can be plugged with caps that come with the container.
Also, make sure it has a saucer for catching water that drains from the holes.
2. Fill the container about 1/3 full with germinating medium.
3. Wet the medium and poke several holes in the bottom of the container to allow water to drain out more easily.
4. Empty the seeds onto the surface of the container and gently mist them with water using a spray bottle.
Do not soak them. You just want to get them wet enough to be ready for planting.
Step 2: Sow The Beans
1. Gently spread the seeds over the surface of the container and cover with a light dusting of soil.
2. Mist the soil with water to keep it from drying out and place the container in a spot where it will get as much natural light as possible.
Step 3: Transplanting
As soon as the plants have developed their first set of true leaves, it is time to transplant them into their final growing home. This is a very delicate process that if done improperly can lead to the death of the plant. You must follow these steps exactly as they are written.
Step 1: Fill a seedling tray or flat with germinating medium and lightly mist it with water to keep it from drying out.
Step 2: Gently loosen the soil under your bean plant to get it ready for transplanting. Take care not to break off any of the roots.
Step 3: Gently lift the plant from the soil and hold it by the stem. Gently shake off the excess soil.
Step 4: Place your plant in the seedling tray or flat and fill in the empty spaces around the plant with more soil. Gently mist the soil to keep it from drying out.
Step 5: Place the seedling tray or flat in a windowsill that gets constant sun or under grow lights. Watch your bean plant carefully. It should grow 1-2 inches taller per week.
Step 6: Set up a trellis or other support system for your bean plants to climb when they are big enough. The beans will not be able to support themselves when they grow to full size.
Watch your bean vine carefully and enjoy your garden!
Sources & references used in this article:
The wild ancestor of Phaseolus vulgaris in South America by H Brücher – Genetic resources of Phaseolus beans, 1988 – Springer
Common bean improvement in the twenty-first century by SP Singh – 2013 – books.google.com
Occurrence and distribution in Rwanda of soilborne fungi pathogenic to the common bean by G Rusuku, RA Buruchara, M Gatabazi… – Plant …, 1997 – Am Phytopath Society
Common bean improvement in the tropics by SP Singh – Plant Breed. Rev, 1992 – books.google.com
Prebreeding in common bean and use of genetic diversity from wild germplasm by JA Acosta‐Gallegos, JD Kelly, P Gepts – Crop Science, 2007 – Wiley Online Library
Fast, efficient and reproducible genetic transformation of Phaseolus spp. by Agrobacterium rhizogenes by G Estrada-Navarrete, X Alvarado-Affantranger… – Nature protocols, 2007 – nature.com
Pathogenic variation in, sources of, and breeding for resistance to Phaeoisariopsis griseola causing angular leaf spot in common bean by MA Pastor-Corrales, C Jara, SP Singh – Euphytica, 1998 – Springer
Pests, diseases, and nutritional disorders of the common bean in Africa: A field guide by DJ Allen – 1996 – books.google.com