Why the new growth is burned and crispy ?!
Lydia Lydia
6 years ago
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modestgoddess z6 OH
6 years agorifis (zone 6b-7a NJ)
6 years agoRelated Discussions
New growth drying
Comments (4)I have mine in 94 degree shade and they all have responded nicely. What's six more degrees? Greenhouses can be very hot if they don't have some fans running and shade cloth up. A lot of greenhouses have chillers in them but it's hard to tell at times. I've been in PHOE's GH and the Huntington conservatory where the heat and humidity almost made me nauseous but the plants (and begonias) apparently loved it....See MoreNew band is a crispy critter...
Comments (1)OOPS. Wrong board. Sorry!!...See MoreWhy does a new Catt growth fold over before it can set a sheath?
Comments (8)Have you seen the LC bloom? That could be a nice "blue". Yes, LC and Cattleya want the same amount of sun. Ease them out into a bit more, especially morning and afternoon, shade them from too much in the middle part of the day. You are looking for a "rusty, or brownish" green leaf color, not the dark lush green. Do it slowly, don't want to burn them, and with that dark lush green color that won't be hard to do. Feeding, half the recommended strength about twice a month while plants are in active growth. While dormant, you can shift to a balanced (10-10-10), or just stop feeding. Some Cattleya types will not go dormant. If they have spring and fall blooming ancestors they may bloom twice a year, and then as soon as blooms go away, new growth is starting. Good growing. Bill...See MoreWhat is wrong with my rose?? Leaf tips crispy, plus yellowing.
Comments (9)Hi Prairie_north: I check on Pro-Mix HP (65 to 75% peat moss, perlite, lime, wetting agent) http://www.pthorticulture.com/en/products/pro-mix-hp-mycorrhizae/ "PRO-MIX® HP MYCORRHIZAE™ HP - high porosity PRO-MIX® HP, with its high perlite content, provides a growing environment which benefits growers looking for significant drainage capacity, increased air porosity and lower water retention. The added benefit of a fibrous peat moss and coarse perlite ..." I notice on the last picture, the pot is sitting against a black saucer, which means water won't drain fast enough. Rugosa HATES WET FEET. Rugosa is known as "beach rose" since it thrives on DRY & SANDY SOIL. The Pro-Mix-HP has fibrous peat moss, which doesn't drain well like sand, plus peat moss when gets too wet, become acidic. Tip-wilting is indicative of acid-burns ... years ago I had the same problem with one of my band in an acidic too wet potting soil. How to fix that? Take the saucer at the bottom out, and use 2 wooden planks to elevate the pot, to air out the bottom. If possible, drill extra holes at the sides around the bottom, to drain off excess water. pH-test the soil with red-cabbage juice. The best potting soils I used become "clear" in red cabbage juice, which means it's a good buffer & neutral pH. The exception is MG-regular-potting soil (green bag for indoor plants) with a higher % of peatmoss, means more water-retention capacity, that became light pink in red-cabbage juice I still have problems with the over 65% to 75% peat moss content. I would add more perlite. When I root roses, I use 1/2 perlite to 1/2 potting soil (already has perlite), yet that doesn't drain fast enough, I have drill extra holes at the bottom of the pot. Rugosa doesn't like fertilizer, so aim for fast-draining, that way you won't get minerals-accumulation either from your tap, or excess fertilizer. I really think the saucer at the bottom is the culprit. That's why stores put their rose-pots on wooden-planks, for best drainage and airflow to the bottom....See MoreLydia Lydia
6 years agoPlant Map
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agokentucky_rose zone 6
6 years agorifis (zone 6b-7a NJ)
6 years agolast modified: 6 years agoUser
6 years agolast modified: 6 years agoUser
6 years agolast modified: 6 years agomarymook
6 years agoAquaEyes 7a NJ
6 years agoStreisand Fan
6 years agoUser
6 years agolast modified: 6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agolast modified: 6 years agoStreisand Fan
6 years agoLydia Lydia
6 years agoAquaEyes 7a NJ
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agolast modified: 6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agolast modified: 6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agoStreisand Fan
6 years agozack_lau z6 CT ARS Consulting Rosarian
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agolast modified: 6 years agoLydia Lydia
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agoLydia Lydia
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agoLydia Lydia
6 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
6 years agolast modified: 6 years agoDonna Roesink Zone 6a Ohio
6 years agoVaporvac Z6-OhioRiverValley
6 years ago
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