Since I wrote this, I now see evidence (holes in buds, excrement trail – ugh) of bud worm, hollowing out the remaining healthy buds! Your email address will not be published. Any idea what I might be doing wrong? Hello. Graham. You can cut them back a little if they are looking straggly. Copyright © Thompson & Morgan, 2004-2019. Sounds as though the buds have died back – this is often associated with plant shock of some sort – probably the sharp change in temperatures recently. it must be enormous by now then!? Although a relative of the perennial geranium, they are not considered true geraniums. My mom has a 5+ year old geranium that desperately needs care. They are full of buds but most of the buds turn dark and do not open fully. The red and yellowing of the foliage suggests that your plant is stressed. If the roots all look lovely and white and there are plenty of them then … hooray … we have a chance! But the new leaves are very small and not increasing in size, about one inch. Why Are My Geraniums Not Blooming? It does sound to me like a humidity problem, the heat of the day causing lots of evaporation, combined with lots of water and warm soil is not ideal for geraniums. I would say to leave the plants, they will be fine, the temptation to water them now must be resisted, almost let the plants dry out completely before you water them again. Sue. Martha Washington geraniums typically bloom for only a few weeks. Hello If you are feeding them, use a high potassium feed (a tomato food) which should encourage the blooms to form, rather than a balanced or high potassium feed, which will only get the plant to produce leafy growth. I know they need oxygen,can I some how get oxygen to the roots? Hi Angela, Before growing geraniums, identify whether you want annual or perennial. You might notice the stems getting longer than normal with a "leggy" appearance, which means they grow taller without necessarily adding new leaves -- they look like thin legs reaching for the sunlight. Geraniums do not require heavy nutrients to grow well and bloom, but a small dose of all-purpose 10-10-10 organic fertilizer once a month in-season can keep blooms coming on. How to grow Geranium in containers. Any suggestions for me? Geraniums fail to flower when they have inadequate fertilizer, light or water. I would suggest that you let the compost dry out a little if it is feeling too wet. What does concern me however, is that the roots have suddenly failed to support their growth. Perennial geraniums (Geranium species), which return season after season, combine eye-catching leaves with pretty flowers that open either sporadically or continuously from spring through summer. :/ It’s a tall stalk basically with long “branches (that have one leaf at the end) coming off of the main stalk every 1-2” for the entire height of the plant. I wish I could post a picture. With some patience they should hopefully recover. Shady Hill Gardens: Why Aren't My Geraniums Blooming as Much? Mulching annually with leaf mould or well-rotted compost or horse manure will keep plants growing well for several years. It’s very hard say what the problem is without seeing it. Hi David. I hope this helps By David Grist, Former Employee-Owner If you're a gardener looking for hope in the middle of an icy January day, there's no better balm than a geranium seedling. It wasn’t a clean cut but not a mangled mess either. I’ve cut off most buds to encourage more leaves. All the best They are low growing plants that spread via rhizomes. Very, very healthy. Hi Cheri, I hope this helps, Graham. I would definitely pot it up into a much bigger pot then and put some plant supports in too. It certainly sounds as though they have had a rough start due to the weather. Switch to a potassium rich feed such as Chempak High Potash Feed. I’ve cleaned out yellowed leaves at the bottom (only) of the plants so they can breathe. It still blooms but is extremely leggy. I have had a geranium for about 7 years it is very healthy about 4 feet high but has never bloomed. I read somewhere where the roots may not be able to take in the water if they have been overwatered. My true vining geraniums are fine. I’ve seen plants cut back to only 5 inch sticks and a few weeks later they have started sprouting a whole lot of new, fresh growth and the resulting plant has been superb. The plant is over 40 years old. I hope this helps Hi Lynn, I would try a higher potassium fertiliser to encourage bigger and more plentiful blooms Hopefully that will encourage it to produce more stems lower down. cuttings from the green (still soft, not … I now see the new blossoms that are coming up are very small. There is a chance the humidity has become a bit much for the plants, they do prefer conditions to be fairly dry, with the compost being kept just about moist through the season. I hope this helps you. There were some rains and, well, my geranium seems to have developed edema. Here’s the problem I am having. Back to the old compost for us! My Geraniums Won't Bloom Let There Be Light. So the lesson for all is that, if you do change your compost then test it on a few plants first! Geraniums can be overwintered in your home. is it possible that the plants need a little help from a potassium based feed? The choice of compost is very important and you should always go for a general purpose compost – if you have a favourite with a good success rate then I’d always say stick with it. I hope this helps This would be an easy mistake to make if the White variety was not in flower at the time the cuttings were taken! Any advise on what to use? Make sure there is plenty of air getting around the stems too, to help prevent any mould building up, as they are prone to this. The pot would probably need to give you an extra two inches of compost all the way around the roots and below too, use a good quality compost and ideally add slow release fertiliser (such as our incredibloom ) to the new compost too. All the best. Growing geraniums need: Cut back after flowering to encourage a second flush of blooms. Hello Some plants flag in the heat but not your geraniums … they love it! It sounds as though you are making every effort with this Geranium. Now, half the buds are shrunken and brown. Pelargoniums enjoy a sunny spot, though no scorching hot, with a free draining soil. The seaweed feed will not do your plant any harm. Sue, thanks for comments sue, the flowers where all in bloom in pink from same plant any suggestion why this may over happened ? Welcome to my blog! Make sure that it hasn’t outgrown its container. this definitely sounds like either a nutrient deficiency or imbalance. I so appreciate your knowledgeable response. Before you yell “I don’t overwater my geraniums!” please see the question on compost below and see if something in there might be the cause. It does unfortunately sound like some of the stems are rotting off. They also grow well in pots or in hanging baskets. There are a few yellow leaves also. Any idea what is wrong? They are fed with 20-20 fertilizer every 10 days or so. The drainage holes in indoor containers helps to keep moisture regulated. Graham. (as we had lots and lots of rain recently) Just use some short canes to support them. Many of us find a lot of ourselves in the garden. I hope this helps Find out more about them on our. Graham. In fact, these versatile plants are perfect for any spot that calls for a splash of vibrant color through-out the season. Never again. Like you said, a common mistake is to overwater a sickly plant, which ends up doing more harm than good. I’ve been growing red geraniums since 1993 and before that my Mother always grew them. Always spray after the sun goes down. “Geraniums don’t like to get their feet wet” this is something … Read more. Plants will naturally lose some of their oldest leaves so don’t worry too much. As we chatted away, a few interesting questions came up as we looked through their collection of geraniums – some were doing very well and looked very happy and sadly some looked like they were struggling somewhat. If anyone has sprayed weedkiller around them then that would almost certainly kill them! Sue. At this time of the year when we move plants from greenhouses to outdoors they can have a bit ‘shock’ at the change in temperature and losing a few leaves is nothing to worry about. I have six scented pelargoniums which i brought indoors in November to overwinter. Or have I killed it with my pruning?! They are planted in organic potting mix, and I mixed in some perlite and Osmocote (14-14-14) at planting time. Sue, I planted 8 pink geraniums cutting but they grown with white flowers, Hello I hope this helps All the best Hi Diana, I have just taken it out of its pot to find several small white grubs (about 5-7mm long) between 2=5 cm down in the compost. Modern geraniums are bred to be short jointed (that is, the stems don’t grow very long between the nodes) and this means most modern geraniums are short, bushy plants which don’t need much attention. Joints are leafed all the way up. It might be a good idea to try rooting a few more cuttings from the original plant too. Do you think that the geranium has bud worms. I have a tall (about 2 1/2 feet tall) 1 year-old red potted geranium – quite beautiful which I staked shortly after it came out of its winter ‘sleep’ (I’d overwintered it in the conservatory) for it shot up and with many blooms and foliage. I have previously put down bark chippings to prevent weds & retain moisture could this be the problem? Don’t be afraid – it needs to be done sooner rather than later if it is getting that tall. (Which is a horrible thought!)? All the best The problem might also be due to a potassium deficiency in the compost, the easiest solution for this is to give the plants a feed with a tomato food, as this has a higher potassium content than normal feeds (to encourage plants to flower and ultimately produce fruit). When a flowers wilts in the hot sun, I think it needs water so I water it more. Graham. Photo: balconygardenweb.com. https://www.thompson-morgan.com/diseases/geranium-blackleg, https://www.thompson-morgan.com/p/chempakreg-high-potash-feed-formula-4/kww2324TM, Geranium pests, diseases and other problems, Trouble Shooting your Geranium growing problems, Introducing Thompson & Morgan’s little book of garden wisdom, The sweetest tomato you’ll ever taste – or your money back, Small border planting ideas with high impact. Is it just too early in the year for it, or are they not supposed to overwinter in the garden? So a fresh lot of compost will not only have plenty of nutrition in it, which the plants need, it will also be nice and light and the plants will be able to spread their roots happily. Fertilize. A good test to see if a compost is light enough is to squash a ball of damp compost into your hand in a tight fist – when you open your hand it should fall away freely and not stay in a tight hard ball. If you have a smaller plant, you may be fine with a 6 or 8 inch (15.2 or 20.3 cm) pot, while larger varieties will need a 10 inch (25.4 cm) pot. I don’t want to lose it. How to Grow Geraniums. Sue, Thank you Sue!! Best wishes It may well be that it’s a bit slower to shoot that Rozanne so I would give it a bit more time to wake up – it’s still early after all! Help…what do I do???? I have not fed this one since I repotted and don’t want to attempt to just yet. I more recently had been giving it some liquid seaweed along with my other plants and then it got to be even more lush. In Sydney Australia, Hi Robyn, I’m afraid I don’t know the answer as I wouldn’t have any idea about what insects there are that would eat geraniums where you live? Sorry to hear of you problems. This variety should be completely hardy here in the UK so that hopefully isn’t an issue. I care for my neighbor geraniums, they are in pots. All you need are a few simple geranium flower care tips. Plant perennials in sun or shade according to the type you have. Sue. I hope this helps How do i make it blue again? How to grow geraniums in a pot. All the best It sounds as though your geraniums could do with propping up. Geraniums do not require heavy nutrients to grow well and bloom, but a small dose of all-purpose 10-10-10 organic fertilizer once a month in-season can keep blooms coming on. Geraniums will grow for years if we keep them out of the frosts. I think they are just plain tired. All the best They have done well, now some of the leaves have brown on the back of some of the leaves. it could possibly be a potassium deficiency in your soil or compost. This is not the case with my hanging baskets with the same wintered-over variety of geraniums. Thanks Sue. I would appreciate your advice to help make her plant happy again. Graham. I have some in containers, but most are in the ground. The two most common reasons for geraniums not blooming prolifically are too little light or too much fertilizer. I have never had a this happen before. Root Rot is also known as Blackleg. Hi Sarah, answered by e-mail, keep me posted , Your email address will not be published. Buy a pot that is large enough for your plant, depending on the variety of geranium you bought. Hi Lynda, There are a few species that can survive an easy frost, but if you want to enjoy these plants during the winter, you have to plant them in a flower pot, keep them indoors, and place them close to a window to receive enough light from the sun. Plant in spring, well after any chance of frost has passed. If your geraniums aren't blooming when you think they should, check the temperature; it could be a colder-than-normal spring, which would delay blooming until the temperature warms. The reasons for geraniums not flowering are because of damp soil, too much shade, cold temperatures and high nitrogen fertilizer. My geranium is in a pot and only grows a few leaves with a long stem. I have found small caterpillars on them as well. Have you tried pinching out the growing tip to encourage it to break bud lower down the plant? Geranium Most species are hardy and will grow in a wide range of conditions, preferring a position in sun or part-shade and moist humus-rich soil. If the roots are pretty much nonexistent then I’m afraid that would suggest something has got into the soil and eaten the roots. It may be that the pots didn’t drain away quickly enough and with all this humid weather and “wet feet” the plants aren’t happy. Geraniums are greedy about sunlight; they need at least six hours per day to build enough energy to bloom. Hi Carmen, More on growing hardy geraniums: 10 hardy geraniums to grow; 11 hardy geraniums … If blooming indoors, it requires a window with direct light, facing West or South. Hi, I planted a healthy Armenian Cranesbill (geranium pstilomen) last summer, it died down in November so I trimmed the stems to 2inches above soil level. The geranium is bright green and very wide looks very good except it keeps falling over. I have one growing straight up as well! Hi Tony Bloom is now same color as the leaves. Hello. I love this plant dearly – it is my favorite of all my plants. Put your geraniums in pots with drainage holes, and don't water the plant unless the top layer of soil feels dry. It’s just a baby! All the best I definitely do not overwater, and I deadhead the old blooms. Geraniums are quite tough plants so they should survive perfectly ok. I planted a geranium last year around July that I found on the ground, I had no idea at the time what it was it just had lovey pink flowers so I thought I’d just plant it and see what happened! I hope this helps The Regal’s Ideal Climate . If they are planted in borders etc, then be aware that you may lose them if they get frosted this winter. There are worse things. I hope this helps. The latter two look great. I live in northern Florida. Planting geraniums can be extremely easy and rewarding. Try to remain patient – they may well get going later in the season. This tender annual does require some care throughout the growing season. the plants you bought from the garden centre will have been kept in optimum conditions to make them “showroom ready” (to make you want to buy them), there’s nothing wrong with the plants I expect, they will have been fed thoroughly and if you want to maintain the bloom size, you should do the same, however this will ultimately stress the plant out. Does this mean root rot? Some are starting to go yellow. The roots need loose soil around them so they can breathe. Hi Ellen, thanks for your post. Sue. Hello. So interesting what plants can do! Geraniums will grow in any soil as long as it is not waterlogged. Hi Martha. What causes that? Geranium Rozanne will bloom throughout the growing season. it could be that the compost they’re growing in is lacking some nutrient and is possibly high in nitrogen too, this would cause an imbalance and promote leafy growth at the expense of blooms. The roots were very skinny and turning brown. WHY AREN'T MY GERANIUMS BLOOMING AS MUCH? What happened that it suddenly began growing straight up? I hope you get on ok with it. Make a long story short, we had a very cold spring here in Rochester NY this year and finally when I planted them it was truly 90 degrees. I read I should keep the edema-marked leaves on (after already having removed some). About every three weeks…especially in the heat of the summer and high humidity. Bewildered. How to grow hardy geraniums Cultivation. All the best As we have all been basking in this glorious sunshine our geraniums have been enjoying it too – the hot and dry conditions are perfect for them. Within a month the blue blooms turned to green. © Copyright 2020 Hearst Communications, Inc. It’s just odd to me that they look very healthy and happy once the sun goes down. How do i test to see if they are alive? Unfortunately without seeing your plant, it really is hard to say! Is this because they got wet, or is it an insect or fungal problem? I have a hanging basket red geranium that I bought recently. Obviously the stem will become weak over time and eventually collapse, the same as trees falling over, also be careful of disease getting into the hollow stems if you prune them. Best wishes Graham. If the stems are dry and woody then you may well have lost them. How to Save Geraniums Over the Winter Using Cuttings. When planted in the ground, it is harder to control their growing environment e.g how wet the soil is, pests and diseases etc so this may also be having an effect. I stripped all the foliage and did not water at all during winter. But, the soil is the same as when I built on the estate, in 2006. Grow Geraniums from Seed. Geraniums do not … If you wish to add geraniums to your flower beds, flower pots, and landscaping this year, check out these 7 Tips for Growing Geraniums. My geranium plants are full with leaves but not one bloom the 2nd year. The effort to distinguish Pelargoniums from hardy geraniums is why you will sometimes see the latter refered to as the "true" geraniums. The center of each flower dies, the rest of each bloom looks healthy??? All the best Try giving them some tomato feed and see if that helps, also allow the plants to dry out before you water them again, if it’s a bit too moist then the flower stems might suffer too. Hardy geraniums die back in autumn and regrow in spring. As before there is little that can be done and again, if there is a suitable part to nip a cutting from that looks healthy enough then that’s what I’d do.