Radio Smart Talk for Friday, April 15:
The weather has been strange this week, but amid bouts of overcast skies and rain, the sun has occasionally been shining, the temperatures have, by and large, risen – and this may be the weekend...to garden! Whether you're planning to grow some vegetables, plant some flowers to beautify your yard, or just want to keep that house plant alive, your gardening questions will be welcome when we talk with Crystal Huff from the Milton Hershey Horticultural Center on Friday's Radio Smart Talk.
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For the past 3 years we have done an out of ground no dig garden with our kids. I was amazed to see the interest they had in planting the seedlings, watching them grow, plant and harvest. It was nice to see our kids enjoy something that did not offer immediate gratification.
This being said, we are novices and in the past 2 years we have had issues with our tomatoes. I've heard that PH is important... What is the trick to big round juicy tomatoes.
Thanks
Yes, there are parasitic wasps and two viruses that are effective biological controls used in Japan and China - their environment of origin. Researchers are studying the possiblity of introducing these non native biological control organisms into the U.S.
Sarah, I recommended waiting because most of the annual plants that we use in containers or in the garden are tropical in nature. Therefore, these plants want consistently warm temperatures to thrive. Planting early will result in plants just sitting there waiting for the warmth. Sometimes this can set the plants back and even lead to death. With that, there are some plants such as pansies, violas, snapdragons and a few others that will thrive in cool, damp conditions. If you want some early color, these would be ok to plant now. I generally wait until Mothers Day to plant most things as the weather is warmer and more settled. Crystal
Robin, I am assuming you are referring to the large lacecap hydrangeas with the blue or pink flowers that bloom in July or August. There are quite a few different kinds of hydrangeas each with different pruning guidelines, so I will speak to the lacecaps as they are most common. The flowers for the lacecaps form on the previous seasons growth. You can prune in spring to remove deadwood and shape, but any severe pruning at that time will result in the loss of flowers for that year. If you need to give it a good 'haircut' in order to get it back in bounds, then prune right after it flowers in August. Also, be aware that some varieties of lacecap hydrangeas can be sensitive to extremely cold winters and sometimes, the flower buds will freeze and die resulting in fewer or no flowers in some years.
Daniel, Great to hear you are gardening with your kids! Some tomato growing tips:
8 hours sun per day.
pH 6.5 to 6.8.
Plant deeper than container that plant was purchased in because more roots will form on the stem.
Soils high in organic matter add compost.
Very important - Even moisture levels. If allowed to dry out and then water, the fruits can crack or get blossom end rot. Water regularly.
Apply mulch.
Lisa, It is difficult to diagnose problems without seeing the tree and getting more information. I can direct you to the Penn State Plant Disease Clinic. You can google their website. They will diagnose samples sent to them. Or you can contact a reputable nursery or arborist who should be able to assist you. Crystal
Jessie,
Thank you for the comment. I agree that many folks are searching for timely gardening information especially as more people are raising vegetables in their backyards.
Crystal
Judy,
Provided you are not adverse to using chemical herbicides, the best time to eliminate clover and other perennial broadleaf weeds from your lawn is in the fall when the clover is putting its energy into its roots to survive the winter. Appropriate selective (in this case for broadleaf plants) herbicides applied in the fall should put a dent in your clover population. Then if eliminated, you can reseed with grass seed in the following spring.
Crystal
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