Direct sun is when plants are outdoors in the direct path of the sunlight. Succulents with green, variegated, or pale are vulnerable to sunburn. Despite widespread belief, most succulents do not thrive if blasted with the hottest temps and the fullest sun exposure. Provide some shade. Succulents that are popular houseplants don’t need as much sunlight as the full-spectrum outdoor plants, but the plants in this group still need plenty of bright light. If you move your succulent from poor light into bright sunlight without transition, it can scorch the plant, scarring it for life. A very bright place without direct sun with at least 3000 lux is well suited for all cacti. 2. You may notice that indoor succulents are usually green in color. Like all other plants, Kalanchoes need plenty of sunlight to thrive well. A good three of four hours of direct sunlight, should do the trick. Kalanchoe succulents need bright sunny locations to thrive well. The sun is the primary source of energy for almost all forms of life living on the earth. ... Succulents do need sunlight but they cannot withstand full sun throughout the day. While they appreciate a lot of light (and very few survive in full shade), most succulents need sun protection, especially if the temperature hits the 90-degree-mark, or if they’re small. The baby succulents are even more vulnerable to direct sun exposure. The following applies to cacti: the lighter the better. Keep them in the shade first and gradually give them a slightly more amount of sunlight each day. If a succulent looks reddish, the cause is likely too much sun. This is one of the coolest parts about succulents – some change colors in the sun! If such a succulent is placed in a location which doesn’t receive direct light, then it may still be ok. Now then, having said that, low light doesn’t mean no light. Outdoors they generally need about 6 hours of bright, indirect sunlight each day. Likewise, many prefer low light and shade to stay perky. It’s called by a couple of names, but I usually call it sun-stress because it’s a more accurate description of the process. Some succulents, if exposed to intense sunlight and UV light, will begin to change color. Not all succulents thrive in full sun. Many species can tolerate the blazing midday sun even behind glass. Do succulents need direct or indirect sunlight? In the case of low-light succulents, indirect sunlight is fine. If you move a potted succulent from indoors to outdoors, move it gradually to sunny locations. They do well when planted under full sun to partial shade. 2. Sun exposure terms like full sun and indirect sunlight are defined using two critical elements: time, meaning the daily duration of the plant’s exposure to the sun, and the path the light travels from the sun to reach your plant. However, indoors, you’ll want to place your succulents near a window that gets light all day. You need … Direct Sunlight Indoor Succulents. Agave, Crassula, Kalanchoe, Opuntia, Sedum and Yucca usually develop better foliage color and flowers with direct sun at least part of the day. How much sunlight does a cactus need? Rotate Succulents … Newly planted succulents can scorch in direct sunlight, so you may need to gradually introduce them to full sun exposure or provide shade with a sheer curtain. Succulents that are not used to direct sunlight, such as those that are newly planted and those that have been growing indoors or in a greenhouse, will need to be slowly introduced to more sunlight. As a general rule of thumb, colorful varieties do best outdoors. When succulents are indoors it’s often hard for them to get enough sunlight. Most succulents and cacti love lots of sunlight, and will get leggy and weak if not given enough. 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