Shamelessly taken from Amsterdammarijuniaseedbanks.com Ofcourse your type of grow ie: How long in Veg what lights ect will effect the size of the plants.
Indica is a short plant, usually under 6ft tall, rarely over 8ft tall. Its marijuana leaves have short, wide fingers and are deep green, often tinged with purple.At maturity, the marijuana leaves start to turn even darker purple. It has short branches laden with thick, dense marijuana buds, which mature early, usually about the beginning of September.
The marijuana buds vary in colour from dark green to purple, just like their marijuana leaves. Under cooler conditions, the coloration becomesmore intense. The marijuana buds have little trouble maturing under the cool conditions of our northern climate. Indica marijuana buds smell stinky, you know the type that smell like bad B.O often pungent and their smoke is thick even a small toke will often induce fits of coughing. The best Indicas have a relaxing social high, which allows the person to sense and feel the environment, but does not lead to thinking or analysing the experience.
Sativa marijuana plants vary from about 6ft to over 25ft in height.Most varieties grow in the 8ft to I2ft range. The marijuana leaves are long and thin fingered and are light green , especially equatorial varieties, which have less chlorophyll and more yellow pigments in order to protect the plant from intense light. Temperate varieties are darker green.The marijuana leaves of some varieties yellow and fall off during maturity. The marijuana plants have long branches. The bottom ones may spread 4ft or more from the central stalk, rather like a conical Xmas tree shape.
The marijuana buds are long and thin, far less densely populated than the Indica, although longer in length, sometimes stretching 3ft in or more along the branch. The stomas of the flowering bud may be tinged slightly purple in a cool climate but in a warmer environment will turn dark orange or even red. Maturation time varies considerably.
The Sativa High :
The sativa high is often characterized as uplifting and energetic . The effects of a sativa marijuana are mostly cerebral. They give a feeling of optimism and well - being, as well as providing a good measure of pain relief for certain symptoms. A few pure sativas are also very high in THC content. They are known to have a quite spacey, or hallucinogenic, effect. Sativas are a good choice for daytime smoking.
The Indica High :
The indica highs are most often described as a pleasant body buzz. Indicas are great for relaxation, stress relief, and for an overall sense of calm and serenity. marijuana indicas are also very effective for overall body pain relief, and often used in the treatment of insomnia. They are the late - evening choice of many smokers as an all - night sleep aid. A few pure indica strains are very potent in THC, and will cause the "couchlock" effect, enabling the smoker to simply sit still and enjoy the experience of the smoke.