- Blue Max: It has very attractive savoy- like blue-green leaves.
- Georgia: It is also known as Georgia LS or Georgia Southern. It has blue-green and slightly savoyed leaves.
- Vates: Plant is compact and leaves are smooth and dark green.
- Champion: Low growing plant, featuring smooth, dark-green leaves with short internodes.
- Flash: It is a very uniform Vates type with smooth, dark-green leaves.
- Heavy-Crop: It has very large, slightly savoy like, blue-green leaves. Leaves have close internodes spacing so bunching can be more difficult.
Health benefits of Collard greens
- Wonderfully nutritious collard leaves are very low in calories (provide only 30 cal per 100 g) and contain no cholesterol. However, these greeny leaves contain very good amount of soluble and insoluble dietary fibre that helps control LDL cholesterol levels and also; offers protection against hemorrhoids, constipation as well as colon cancer diseases.
- Widely considered to be healthful foods, collards are rich in invaluable sources of phyto-nutrients with potent anti-cancer properties, such as di-indolyl-methane (DIM) and sulforaphane that have proven benefits against prostate, breast, cervical, colon, ovarian cancers by virtue of their cancer cell growth inhibition and cytotoxic effects on cancer cells.
- Di-indolyl-methane has also found to be effective immune modulator, anti-bacterial and anti-viral properties by potentiating Interferon-gamma receptors and production.
- The leaves are also an excellent source of folates, provides about 166 mcg or 41.5% of RDA. Folates are important in DNA synthesis and when given during peri-conception period can prevent neural tube defects in the baby.
- Fresh collard leaves are also rich in vitamin-C. Provides about 59% of RDA per 100 g. Vitamin-C is a powerful natural anti-oxidant that offers protection against free radical injury and flu-like viral infections.
- Collard greens are also an excellent source of vitamin-A (222% of RDA per 100 g) and flavonoid poly-phenolic anti-oxidants such as lutein, carotenes, zea-xanthin, crypto-xanthin etc. These compounds are scientifically found to have antioxidant properties. Vitamin A also required maintaining healthy mucus membranes and skin and is also essential for vision. Consumption of natural fruits rich in flavonoids helps to protect from lung and oral cavity cancers.
- This leafy vegetable contain amazingly high levels of vitamin-K, provides staggering 426% of recommended daily levels per 100 leaves. Vitamin K has potential role in the increase of bone mass by promoting osteotrophic activity in the bone. It also has beneficial effect in Alzheimer's diseasepatients by limiting neuronal damage in their brain.
- Collards are rich in many vital B-complex groups of minerals such as niacin (vitamin B-3), pantothenic acid (vitamin B-5), pyridoxine (vitamin B-6) and riboflavin.
- The leaves and stems are good in minerals like iron, calcium, copper, manganese, selenium and zinc.
Collards are probably originated in the eastern European or Asia minor region and now a day’s grown almost all parts of the cooler temperate regions The plant grows up to 3-4 feet in height and bears dark green leaves arranged in a rosette fashion around an upright, stocky main stem.
Several cultivar types of collard greens are grown around the planet depending on the soil type, climate etc.