June Gardening Checklist: Ferns, Lawns & More
With the help of many gardening friends I have attempted to offer on these pages some useful information to help you with your own garden. Gardening is sharing. Any corrections, comments or suggestions are appreciated and will improve future information. Ferns, Lawns, Groundcovers and more are the focus of this NoteStream. Also see our NoteStreams on Flowering Plants, Fruit Trees, Edibles, and more.
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The information, dates and techniques in this blog are as accurate as I can currently offer. During the past three decades I have cared for, nurtured and observed tens of thousands of plants.
With the help of many gardening friends I have attempted to offer on these pages some useful information to help you with your own garden. Gardening is sharing. Any corrections, comments or suggestions are appreciated and will improve future information.
• There is still time to plant, re-pot or transplant ferns. Just keep them well watered.
• Hurry, but there is still time to re-mount and/or divide staghorn ferns that have outgrown their boards or pots.
• Continue fertilizing. Use a mild, organic fertilizer on ferns and alternate periodically with an acid type, especially in high pH soil. For most common varieties try blood meal alternated every third feeding with Cottonseed Meal.
• Irrigate most varieties regularly according to weather and the growth of the individual plants. Delicate varieties appreciate an occasional misting of the foliage, especially during warm, dry or windy periods.
• Keep checking for pests. Scale can be a problem and often goes undetected. It is often associated with ants, which need to be controlled as a part of any treatment program. On other ferns, especially staghorns, check carefully for early signs of spider mites.
Golden Strawberry Groundcover
• Cool season groundcovers are showing heat stress, especially in warm inland gardens and on south facing slopes. Keep them irrigated and mulched.
• Warm season groundcovers are growing and blooming. Keep them irrigated as the weather warms.
• If not already done, mulch most groundcover areas now to reduce weed growth, cool the roots, improve soil quality and reduce summer irrigations.
• If you haven’t already, you still have time to de-thatch and aerate lawns like hybrid bermudagrass and St. Augustine.
• Remember, cool-season lawns (fescue/Marathon, ryegrass, bluegrass) should be mowed about a half an inch higher in the warm months than in the cool months. Keep the mower at this higher setting for the next several hot weather months.
• It’s too late to attempt to plant new cool-season lawns from seed. You can still try installing from sod, but the risk of disease or dehydration are much higher in the warm weather.
• This is still a good month to plant warm-season lawns (hybrid bermudagrass, St. Augustine, etc.) from sod. Most warm-season grasses do not grow from seed and are best only installed from sod.
• Continue feeding warm-season lawns through summer and into fall.
• However, beginning this month reduce the dosage of fertilizer by half to cool-season lawns. Too much fertilizer during the warm weather will make these cool-season turfs very susceptible to diseases.
Shrubs & Vines
(See also the information under Azaleas, Camellias, Gardenias, Hydrangeas and others in Flowers and Flowering Plants)
• Bougainvilleas are setting flowers now and growing quickly in the warm weather. Avoid pruning them now, which will interfere with their bloom. This is a good time to plant these heat lovers as well.
(See also the information under Avocados, Citrus, Deciduous Fruit Trees and Subtropical Fruits here)
• Try to avoid pruning most trees now, as many birds are still nesting at this time.
Tropicals & Subtropicals
(See also the information under Avocados, Citrus and Subtropical Fruits here)
• These are all growing well now, although many will not be in bloom yet. Don’t worry, they’re just waiting for longer days, even warmer daytime temperatures and especially warmer nights.
• If you didn’t last month, fertilize now with a general-purpose organic fertilizer. Most tropicals and sub-tropicals have a higher need for trace minerals like iron, zinc, manganese and others. Organic fertilizers generally contain lots of these trace minerals and work especially well in the warm soil temperatures present now.
• This is a very good time to plant or transplant palms and cycads.
• This is a good month for planting these heat lovers, but keep them well watered to help them establish.
• Watering should be frequent now, but most tropicals and sub-tropicals are particular about quick soil drainage.