Q.Lemon Tree From Seed Has Thorns - I started a lemon tree from a seed and it is about 20 inches in height. I just noticed thorns ...
A.Here is an article that will explain this thorny phenomenon: https://www.gardeningknowhow.com/edible/fruits/citrus/thorns-on-citrus-trees.htmRead MoreQ.Weeping Cherry Dying - Our weeping cherry seems to be dying a little at a time each year. How do we save it? Pic ...
A.Hi Shelly, Thanks for your response. It is in partial shade. The number of dead limbs seems to increase each year. We haven't tried any type of fertilizer yet, for fear of doing more harm than good. I can get more ...Read MoreQ.Pennetta Leafhopper In Lavender - I have this dangerous Pennetta leafhopper in my lavender fields. Can you recommend an effective pesticide against Pennetta leafhopper? Thanks ...
A.This article lists several insecticide options: http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/insects/hoppers-and-leafhoppers/leafhoppers-and-planthoppers.aspx For additional information on leafhoppers, please visit the following links: https://www.gardeningknowhow.com/plant-problems/pests/insects/leafhopper-control.htm Read MoreQ.Leaves On Rose Bushes Are Turning Brown - The leaves on my rose bushes are turning brown at the edges and rolling on on themselves. Why is that? ...
A.If it has been real hot where you are or if there is some reflected sunlight that really beats down on the rosebushes, that could be causing this. When it is real hot out the rosebush has a hard time ...Read More
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Q.Chard Plants - I planted my chard from plants I bought. They were doing well. I watered them daily, but the last few ...
A.Excessive heat and wind can cause the leaves to dry up. Your plants are quite new to the garden space and may not have taken root enough yet. Continue to water the plants and you can even try to shield ...Read MoreQ.Start A Peperomia From A Clipping - Can you start a peperomia from a clipping or a stem or is it started by seed? I was given ...
A.Yes, peperomia can be propagated from a cutting. For information on how to root cuttings, please visit the following links: https://www.gardeningknowhow.com/garden-how-to/projects/rooting-plant-cuttings.htm http://www.gardenhive.com/houseplants/peperomias/propagate/stem-cuttings/ For more information on the care of peperomia, please visit the following link: https://www.gardeningknowhow.com/houseplants/peperomia/growing-peperomia-houseplants.htmRead MoreQ.Will Duranta Come Back To Life - We moved and it was left at previous home in garage. When I brought it to new house, I changed ...
A.The Duranta is considered an annual in all plant hardiness zones except for 8-11 (Rhode Island is 5b to 7a). So, it must be over-wintered indoors. It can be brought inside as house plant or taken into a garage ...Read MoreQ.Picture Of Plant Leaves To Identify Several Perennials - I am digging perennials from an old bed where the plants are not marked. I need help distinguishing between rudbeckia ...
A.A rudbeckia leaf: http://www.missouriplants.com/Yellowalt/Rudbeckia_laciniata_leaf.jpg Peach Leaf Bellflower: http://pics.davesgarden.com/pics/2007/10/27/Xenomorf/a763aa.jpg Eastern Purple Coneflower: https://www.minnesotawildflowers.info/udata/r9ndp23q/pd2/echinacea-purpurea-6.jpgRead MoreQ.When Do Crape Myrtles Leaf Out - I have a crape myrtle and it's about in its 4th year. It hasn't leafed out yet. It's normally late, ...
A.Crepe myrtles are one of the last plants to leaf out in spring (late spring) which causes many to fear the worst. And, with a cold winter/cold spring, many plants/trees have been slow to come out of dormancy. So, at ...Read MoreQ.How Do You Cut The Dead Flowers On Small Bushes That Cluster - The bushes are small and cluster. Where do I cut off the dead blooms?
A.What type of flowers and/or bush do you have? For now I will link you to a generalized article on deadheading flowers here: https://www.gardeningknowhow.com/ornamental/flowers/fgen/deadheading-flowers.htm This link will show you all the articles Gardening Know How has on deadheading flowers of various kinds: ...Read MoreQ.Pampas Grass - We cut our pampas grass to the ground this early spring and nothing is growing or showing any green yet. ...
A.This is pretty typical coming out of a harsh winter and cold spring. Warm season grasses begin to grow much later in the spring as air and soil temperatures increase. I would take a wait and see approach for ...Read MoreQ.Leaf Spot/No Flowers On Mountain Laurel - I have several mountain laurels that lose their leaves in the spring with leaf spot. New growth appears and the ...
A.Here is a great link with growing and care information. Pruning and a light fertilizer may help refresh your shrubs. https://www.gardeningknowhow.com/ornamental/shrubs/mountain-laurel/mountain-laurel-growing.htm https://www.gardeningknowhow.com/plant-problems/disease/plant-leaf-spots.htmRead MoreQ.Red Maple Trees With No Leaves - I have red maple trees with no leaves on them. How long will it take to have leaves? I planted ...
A.With bare root tree plantings, it can take a few months (or more) for them to leaf out. So all I can prescribe at this time is a little patience!Read MoreQ.Peach Insects - My peaches are being chewed up by some insect. I have covered the dwarf tree with a bird netting so ...
A.Without a photograph or other details, this is hard to say, but here is an article that discusses several possibilities - hopefully you will find a match! http://www.clemson.edu/extension/hgic/pests/plant_pests/veg_fruit/hgic2210.htmlRead MoreQ.Fig Tree - I ordered two fig trees online recently. One is a Jack's Black and the other is an LSU. They are ...
A.Jack's Black fig is rated from zone 5 and LSU is zone 7. I suspect it has not been warm enough for your LSU Fig tree to grow. Try moving your plant to a more sheltered and warmer area of the garden. https://www.gardeningknowhow.com/edible/fruits/figs/how-to-grow-figs.htmRead MoreQ.When And When Not To Apply Fertilizer To A Veggie Garden - I just planted my garden and things aren't even coming up quite yet. Can I spread an ammonium nitrate fertilizer ...
A.Avoid using a commercial fertilizer on tender seedlings as it may burn the plants or roots. Allow the plants and seeds to get a good start before applications of fertilizers. I always use a 'light feed' when applying fertilizer, and you ...Read MoreQ.Leaves On Passion Flower - The leaves on my passion flower were doing great then starting going yellow and falling off. I repotted with better ...
A.There are a number of reasons why your passion flower leaves are turning yellow such as over/under-watering, insect pests, chlorosis, root issues or nutrient deficiencies, and lack of sunlight. Each of these issues are discussed in turn in the ...Read MoreQ.Canna Lily Pests - Found a caterpillar-like grayish-white worm, about 1" long, tucked in the leaf near the stem - along with lots of ...
A.Without a photo, the caterpillar is hard to identify but there are about five different types of caterpillars found on canna. Based on your description, I think you have the saltmarsh caterpillar - it is hairy and gray when ...Read MoreQ.Still Have A Problem With Radishes… - I live in Manitoba, Canada. The weather here is rather cool in May with threats of frost. Last night was ...
A.Temperatures cool with threats of frost are generally too cold for most radish to grow. The soil must be warm enough for germination and they need bright sun for good bulb formation. Also if the plants are crowded and not thinned out ...Read More