... Hello Rhubarb-Central! Of course, with mulching, we never mulch close to any plant. Thanks so much for your prompt reply. We've had success with rhubarb before, so we'll stick with it, and yes, there's nothing like fresh rhubarb. The whole plant eventually dies. ... the rhubarb leaves are wilting, shrivelling and the edges and turning yellow ... *FTC Disclosure: As an Amazon Associate I earn from qualifying. We're a Community Garden in ... and we're having problems with our rhubarb plants. Dieback of crowns: Waterlogged soils or a very wet season can cause rotting in the crown. "deep watering" a few times a week rather than watering a lighter No, we're certainly not giving up! Don't give up though...once it picks up you will be glad plant to start afresh, and do not over water. get some Iron Chelate7% and see if that The leaves turn yellow, and stalks collapse and die. There is no way to control Phytophthora crown rot when plants become infested. However, we dig in friable soil to try and loosen it up a bit. Much appreciated. The whole plant eventually dies. The best treatment is prevention by planting rhubarb crowns obtained from reputable sources in well drained soil. Crown rot of rhubarb, which causes severe damage in Yorkshire, is characterized by a soft brown rot near the crown of the root; swollen bases of the stalks and sheathing leaves, which show a brown discoloration at their junction with the crown; puce-coloured foliage leaves; the absence of a terminal bud; and the production of spindly rhubarb sticks from the lateral buds. :), - - - - - - - - - - - - - Crown rot of rhubarb, which causes severe damage in Yorkshire, is characterized by a soft brown rot near the crown of the root; swollen bases of the stalks and sheathing leaves, which show a brown discoloration at their junction with the crown; puce-coloured foliage leaves; the absence of a terminal bud; and the production of spindly rhubarb sticks from the lateral buds. Sydney soil is What I would do is to treat a few plants with "IRON Rhubarb has few serious pest problems. This rust-colored beetle bores into rhubarb stalks or crowns. We've taken some photographs of one of the plants, which may or may not help you. We've tested the soil pH which is between 6 and 6.5 so that's no problem. Clear all perennial weeds – they are difficult to eliminate later. should see a change within several days. Anthracnose Stalk Rot The mulch you saw around the plant was a bit misleading. I bet the plant will recover. You know when I saw the pictures I thought - fungus / crown rot. Good point the veins, mainly around the edges. When replanting, purchase disease-free plants from a reputable company, and plant in well-drained soil. crown rot. The cause is a variety of fungi attacking the plant. I LOVE my Inexpensive, Easy-to-Use Knife Sharpener -. We dug up a couple of the plants and I put one of them on top of some mulch to take the shots. Are the plants receiving enough water if the weather possible try to water the soil AROUND the plant as opposed to the plant leaves Also be sure to water in the morning as opposed to the evening so that the I stir sliced strawberries through cooked cold rhubarb sometimes. I've attached How to plant and grow rhubarb, an easy and beautiful perennial vegetable. Rhubarb Crown Rot - notice the stems separating from the crown. If drainage is a problem, beds should be raised as rhubarb is susceptible to crown rot. The same Botrytis fungus that causes gray mold can also cause crown rot in lettuce. The best thing to do is act quickly and cut away any affected areas of the plant. plants begin to thrive, you know that that is the issue. I noticed straw around the plants in the picture. early in the morning is a good idea for all garden plants - and as much as I am sure you have already reviewed this page, but in plants are planted is not rich enough in iron. During wet weather, the bases of older leaves may also be affected. This plant disease, also called stem rot, foot rot, or root rot, is caused by a fungus (Phytophthora species) that lives in the soil. growing in it before. Crown rot can be a problem when growing rhubarb. Once the first signs of crown rot are noticed, it’s best to simply pull the infected plants and discard them promptly. ... First of all, thank you for visiting my website, Problem: Crown Rot (Rhubarb) Problem Info . 9. The themselves. The main symptoms are decay of the terminal bud, a soft, chocolate-brown rotting of the pith, and the formation of a cavity within the crown (17.2a). We didn't really prepare the soil for nutrient-hungry I think the problem has been overwatering, and as it's a community garden, everyone has set days on which to water, so it's a bit hard to keep tabs on who's done what. Rhubarb-Central.com and for your kind words. Rhubarb is the name given to several species of herbaceous perennial plants in the genus Rheum, including R. rharbarum and R. rhaponticum (wild rhubarb), R. rhaponticum (garden rhubarb) and cultivated hybrid varieties designated as R. hybridum or Rheum × hybrium which are grown for their edible leaf stalks, or petioles. Almost all fruit and nut trees, as well as most ornamental trees and shrubs (including many California natives), can develop Phytophthora rot if soil around the base of the plant remains wet for prolonged periods, or when planted too deeply.