![]() However, to have a higher percentage of fruit set, you can hand pollinate plants. Over time, gravity causes the pollen to fall from the male portion of the flower to the female portion. If left alone, tomatoes will have a 20% – 30% fruit set rate without the help of pollinators or hand pollination. Keep in mind that tomatoes contain both male and female parts and are self-pollinating. To overcome this, gardeners have developed a creative method of hand pollinating plants using a paintbrush. One of the biggest challenges of growing tomatoes in a greenhouse is the lack of wind or bugs, such as bees, to help with pollination. Just be sure to use drip irrigation at the roots, not overhead irrigation that leaves the plant’s foliage wet and susceptible to disease. One of the advantages of greenhouse gardening is that you have control over the irrigation. Irregular, or over-watering, is the single biggest cause of blossom-end rot. The water needs to be delivered at regular intervals. Watering issuesįull-size tomato plants require two to three quarts of water per day when it is sunny. To be safe give each tomato plant at least four square feet of space. Tomato plants are prone to foliar diseases including blight, and leaf spot and require good air movement. Tomatoes that are grown both in a greenhouse as well as outside need space for air circulation. While the tendency might be to cram as many tomatoes into your greenhouse as possible, this is not a wise option. If you like heirloom varieties the hybrids Marneo (like Cherokee Purple) and Margold (like Striped Germans), are best. The most widely used variety in greenhouse growing in the United States is the Dutch hybrid beefsteak-type tomato: Trust. Choosing the wrong varietyįor the best success, it is essential that you plant only tomato varieties that are bred for greenhouse growing – not field or garden growing.Ĭhoosing the right variety gives you a head start to success when growing in a greenhouse. Here are some common issues that occur when growing tomatoes in a greenhouse: 4 Common Issues Growing Tomatoes In A Greenhouse 1. The good news is, there are remedies for the issues and ways to ensure a successful harvest. Identifying the source of these struggles early on makes the difference between a robust harvest and a so-so harvest. However, if you grow these plants long enough indoors you are sure to experience some struggles. Watching it progress from a tiny green-and-purplery shoot to a brilliant orange flower head is fascinating.If you are new to greenhouse gardening you may not have experienced issues with growing tomatoes. I guess that when the plant is dormant during winter, the pot can be tucked away in a suitable and discreet spot, to be brought out to a more prominent place once it starts shooting in the spring. I have not tried it, but apparently this ornamental plant can also be grown in a pot. If propagating from seed, it is best to remove the fruit pulp first before planting. Initially green, the fruits turn red when mature. If anyone can advise on this, that would be great.Īs the season progresses the flower head transforms into a seed head. puniceus or if it is one of the subspecies. As this lily is very variable, I am not sure if the plant pictured below is also an S. This plant in our garden comes from offsets taken from a plant in my parents’ garden many years ago.Īlso in our garden, we found a variant version. These lilies can be propagated from seed and also by carefully subdividing from the rootstock, but they do not like to have their roots disturbed. Despite the tuber being poisonous, the plant does play a role in some traditional medicines. The leaf stems grow directly from the bulbous root, and at least in our garden, the leaves appear after the plant has come into flower. These plants like to have their roots in leaf litter, as they do in the wild. ![]() In South Africa they occur in the more eastern and northern regions, and they also occur in other eastern African countries as far north as Ethiopia, as well as in other areas such as in Botswana. These low-growing bulbous plants are most commonly found in coastal bush, but they can also grow in scrubbier areas and even in grassland. ![]() The flower head is surrounded by protective bracts. The flower head is actually a dense cluster of tiny flowers with bright yellow pollen anthers on the stamens. Apparently this has something to do with the notion that that purple spots at the base of the flower and leaf stalks may attract snakes. Commonly known as the Paintbrush Lily, for obvious reasons, it is also referred to as a Snake Lily. This African lily is part of the Amaryllis family. After being dormant throughout the winter, a green spear emerges from the ground to open into this brilliant flower. Spring has definitely arrivedwhen these lilies start flowering. ![]()
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