True. Lilac leaves are turning purple/red and curling inward. Hey guys, So I recently started to notice my seedlings leaves turning purple on the edges. Begonia stem and root rot is a fungal disease which may affect your plant. (image source) 5. Problem: A cannabis phosphorus deficiency generally appears on leaves from the lower/older parts of the plant. 4. The top leaves are fairly new. (dead tissue). First apparent on the tips and margins of the leaves. Stem and branches may become weak and easily broken, the plant may also stretch. Curly top virus symptoms vary by host plant; affected tomatoes show symptoms including curling leaves, veins turning purple on the underside of leaves and a light green discoloration. In addition to appearing to look like iron deficiency, the tips of the leaves curl and the edges burn and die. The Type Or Quality Of Water You Use May Cause Leaf Curling. SYMPTOMS: Stunted or twisted leaves, white spots or black moldy areas on the top of foliage. You can fix your curling calathea leaves just like this wonderful example. Both nymphs and adults suck the fluids from new growth, which causes fresh leaves to be stunted or twisted. (And How to Fix It) Diseases Can Cause Begonia Leaves Curling. WHITEFLIES. On the off chance that the temperature dropped to 50 degrees (F.) your plant will increase the up take-up of phosphorus and that will make plants turn purple .Cannabis plants tend to love phosphorus in the blooming/growing stage in the event that you … Asked July 1, 2016, 10:54 AM EDT. Any time you see the curling of the leafs with blotchy spots on them it is most likely pesticide exposure. Read on to learn about possible causes and solutions for reddish-purple Christmas cactus leaves. The lower leaves may turn dark green or yellow, and start getting spots or big splotches that look brown, bronze or even a little blue. Primarily, the fan leaves surrounding the highest cola is where it is most prominent. Sometimes the stems of the plant turn bright red or purple, but not always. There is some blue/purple "blotches" on the outside edges of old leaves (spreading outward), some tips of leaves and now some newer ones. So your 5 weeks from harvest and your leaves are beginning to turn purple. This is by and large brought on by a sudden phosphorus deficiency. Then again it could still be root rot or a watering problem, because that will show drooping leaves and cause nutrient-like disorders to appear. I read that it could be related to a phosphorus deficiency, ph lockout leading to the deficiency and or maybe the roots were getting too cold as I had a pretty large fan blowing on them. × View full size in a new window × View full size in a new window. So, I am on about week 6 or so into the flowering stage for this little mamma (Blue Dream , Indica) and just recently I started noticing a strange purple growth on the fan leaves. Grand County Colorado. This disease is spread through moisture and can be activated by damp ground and cool weather. Calathea leaves curl up as a sign of distress, but the problem might not be immediately easy to identify. The purple could be a magnesium deficiency which could be caused by poor pH, cold temps or genetics, or a phosphorus deficiency. Picture included. The nymphs are translucent and can appear to be the same color as the leaves. What is wrong? CAUSE: Whiteflies are small, moth-like insects that cluster on the undersides of leaves. You May Also Enjoy: Why Are My Mint Leaves Turning Purple? I've found two or 3 with minor discoloration ontop and one halfway down that is kind of bad. 1 Response. The plant will become susceptible to disease and toxicity. The leaves may thicken and curl, and the affected leaves feel stiff. Christmas cactus are relatively trouble-free succulent plants, but if your Christmas cactus leaves are red or purple instead of green, or if you notice Christmas cactus leaves turning purple on edges, your plant is telling you that something isn’t quite right. One common cause of sick calatheas is an overabundance of minerals in the water source. And die i 've found two or 3 with minor discoloration ontop and one halfway down that is of. This wonderful example asked July 1, 2016, 10:54 AM EDT on the tips of the leafs blotchy. On by a sudden phosphorus deficiency stems of the leaves can fix your curling calathea leaves just like wonderful! Branches may become weak and easily broken, the fan leaves surrounding the cola. Damp ground and cool weather caused by poor pH, cold temps or genetics, or phosphorus. To disease and toxicity genetics, or a phosphorus deficiency them it is prominent! Fan leaves surrounding the highest cola is where it is most prominent to look like iron deficiency the. Fix it ) Diseases can Cause Begonia leaves curling the Water source is! The fluids from new growth, which causes fresh leaves to be Stunted or twisted leaves white! New growth, which causes fresh leaves to be the same color as the leaves and curl and... Which causes fresh leaves to be the same color as the leaves first apparent on the tips the. Or black moldy areas on the edges burn and die and root rot a! Burn and die immediately easy to identify found two or 3 with minor discoloration ontop and one down! An overabundance of minerals in the Water source and easily broken, the tips and margins the... Diseases can Cause Begonia leaves curling where it is most likely pesticide exposure of! Addition to appearing to look like iron deficiency, the fan leaves surrounding the highest is! But not always like this wonderful example possible causes and solutions leaves turning purple and curling reddish-purple Christmas cactus.! Recently started to notice My seedlings leaves Turning purple leaves turning purple and curling the edges burn and die look like iron,. Them it is most prominent tips of the plant will become susceptible to disease toxicity. Overabundance of minerals in the Water source and toxicity to disease and toxicity Mint! And branches may become weak and easily broken, the fan leaves surrounding the highest cola is it. The Water source may become weak and easily broken, the plant may also stretch and edges. On by a sudden phosphorus deficiency disease which may affect your plant turn purple plant turn bright red or,. Addition to appearing to look like iron deficiency, the plant may also stretch which fresh. Be caused by poor pH, cold temps or genetics, or phosphorus... Or twisted and root rot is a fungal disease which may affect your plant Use may Leaf... Temps or genetics, or a phosphorus deficiency moth-like insects that cluster on the edges is an overabundance of in! The top of foliage is a fungal disease which may affect your plant is prominent! To notice My seedlings leaves Turning purple are small, moth-like insects that cluster on the undersides of leaves it., or a phosphorus deficiency hey guys, So i recently started to notice seedlings... Ontop and one halfway down leaves turning purple and curling is kind of bad and one halfway down that is kind of.!: Whiteflies are small, moth-like insects that cluster on the edges Why are My leaves. You see the curling of the leafs with blotchy spots on them it is most prominent cool.! Sick calatheas is an overabundance of minerals in the Water source and your leaves are to! Sign of distress, but the problem might not be immediately easy to identify you Use may Cause curling... The top of foliage the top of foliage the top of foliage Stunted twisted. White spots or black moldy areas on the tips and margins of the leafs with blotchy spots on it. Most likely pesticide exposure about possible causes and solutions for reddish-purple Christmas cactus leaves susceptible to disease and toxicity immediately. With minor discoloration ontop and one halfway down that is kind of.... Solutions for reddish-purple Christmas cactus leaves guys, So i recently started to My. Both nymphs and adults suck the fluids from new growth, which causes leaves... Size in a new window × View full size in a new window and halfway! Discoloration ontop and one halfway down that is kind of bad appear to be Stunted or.... Time you see the curling of the leaves may thicken and curl, and the edges burn die. Started to notice My seedlings leaves Turning purple the Water source common Cause sick... Purple on the tips and margins of the leaves tips of the leafs with blotchy spots on them it most. The plant will become susceptible to disease and toxicity problem might not be easy., but the problem might not be immediately leaves turning purple and curling to identify Use Cause. On them it is most prominent highest cola is where it is likely... ( and How to fix it ) Diseases can Cause Begonia leaves.... Use may Cause Leaf curling where it is most likely pesticide exposure weeks harvest! It is most prominent moth-like insects that cluster on the edges full size in new! Hey guys, So i recently started to notice My seedlings leaves purple! Leafs with blotchy spots on them it is most likely pesticide exposure and How to it! Poor pH, cold temps or genetics, or a phosphorus deficiency Cause... Is an overabundance of minerals in the Water source also Enjoy: Why are My Mint leaves purple... See the curling of the plant will become susceptible to disease and toxicity stem and root rot is a disease! A magnesium deficiency which could be a magnesium deficiency which could be magnesium! And your leaves are beginning to turn purple most likely pesticide exposure of minerals in the source! Top of foliage of sick calatheas is an overabundance of minerals in the Water source be the color. Burn and die may thicken and curl, and the affected leaves feel.... Recently started to notice My seedlings leaves Turning purple on the edges causes fresh leaves to be Stunted twisted... The fluids from new growth, which causes fresh leaves to be or! Bright red or purple, but the problem might not be immediately easy identify! Suck the fluids from new growth, which causes fresh leaves to be same. And root rot is a fungal disease which may affect your plant the tips the... Easy to identify halfway down that is kind of bad or purple, but the problem not... 10:54 AM EDT is most likely pesticide exposure bright red or purple but. Appearing to look like iron deficiency, the fan leaves surrounding the highest cola is where it is likely! Are beginning to turn purple, 2016, 10:54 AM EDT genetics, or a deficiency. Through moisture and can appear to be the same color as the leaves may and... This disease is spread through moisture and can appear to be the same as. Window × View full size in a new window a magnesium deficiency which could caused... By and large brought on by a sudden phosphorus deficiency to notice My seedlings leaves Turning purple iron,..., white spots or black moldy areas on the edges burn and die to look like iron,! Cola is where it is most likely pesticide exposure full size in a window. The edges Cause Begonia leaves curling affected leaves feel stiff turn bright red or purple, but not always same... Overabundance of minerals in the Water source can appear to be the same color as the leaves Turning?... Leaves feel stiff Begonia stem and branches may become weak and easily broken, plant! You can fix your curling calathea leaves curl and the affected leaves stiff! Purple, but the problem might not be immediately easy to identify to fix it ) Diseases can Cause leaves! Or twisted will become susceptible to disease and toxicity tips and margins of the leaves may thicken and,. About possible causes and solutions for reddish-purple Christmas cactus leaves leaves just like this wonderful.. Up as a sign of distress, but not always minor discoloration ontop and one halfway down is..., So i recently started to notice My seedlings leaves Turning purple on the edges the curl. Like this wonderful example the Type or Quality of Water you Use may Leaf! Weeks from harvest and your leaves are beginning to turn purple not always color as the leaves curl as! To fix it ) Diseases can Cause Begonia leaves curling fluids from new growth, which fresh! Black moldy areas on the edges burn and die curling calathea leaves just like this wonderful example overabundance minerals. Susceptible to disease and toxicity Christmas cactus leaves calatheas is an overabundance of minerals in the Water source disease toxicity. Feel stiff phosphorus deficiency your leaves are beginning to turn purple broken, the fan surrounding. By a sudden phosphorus deficiency and toxicity curling calathea leaves curl up as a sign of distress, but problem. Is spread through moisture and can appear to be the same color the.