Gardening

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hydrangea paniculata
UC Marin Master Gardeners: Document

Pruning Hydrangea - Panicle & Smooth Varieties

 Scientific Name H. paniculata; H. arborescens These hydrangea varieties begin to bloom in the mid-summer on wood that forms during the current growing season. They can bloom well into the fall. Pruning is best performed during the winter, before new growth begins.Removing spent blooms at the base can…
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loropetalum
UC Marin Master Gardeners: Document

Pruning Loropetalum

 Scientific Name Loropetalum chinense Loropetalum have two blooming cycles. They begin flowering in late winter (usually February) on old wood that formed during the previous growing season and cover themselves in masses of blossoms through March. They then bloom sporadically throughout the summer on…
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pittosporum
UC Marin Master Gardeners: Document

Pruning Pittosporum

 Scientific Name Pittosporum tobira Although the focus of this guide is on pruning, some gardeners shear their pittosporum. If a gardener chooses this method, then, just as for pruning, shearing should occur after the spring bloom. Shearing in the winter removes the flower buds. Pittosporum are…
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flower
UC Marin Master Gardeners: Document

Pruning Rhododendron

 Scientific Name Rhododendron spp. Rhododendron usually flower in the winter and begin to push new growth as the blossoms begin to fade. This is a good time to prune to control the size and structure of the plant. Waiting until later will require removal of the new growth to control the size and shape…
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Ribes
UC Marin Master Gardeners: Document

Pruning Ribes

 Scientific Name Ribes spp. Although most ribes are deciduous, viburnifolium are evergreen. The stems of ribes are not long lived. Therefore, taking out only new stems could shorten the life of the plant. Keep the new stems that are growing in a desired direction and remove the others at the base.Do…
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Salvia elegans
UC Marin Master Gardeners: Document

Pruning Salvia - Deciduous & Soft Stemmed

 Scientific Name Salvia elegans, S. guaranitica, S. leucantha, S. waverly, S. ulignosa, S. Patens As a general rule, these salvia may be pruned severely in the late fall or in the spring. The decision depends upon whether a gardener’s climate includes many nights of freezing temperatures. If so, then…
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salvia nemorosa
UC Marin Master Gardeners: Document

Pruning Salvia - Rosette-Forming

 Scientific Name Salvia nemorosa, S. x superba, S. penstemonoides, S. Spathacea Image & Information These salvia have erect flower stems surrounded by low mounds of foliage at the base of the stems. As a general rule, these salvia may be pruned severely in the late fall or in the spring. The…
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Salvia Clevelandii
UC Marin Master Gardeners: Document

Pruning Salvia - Woody

 Scientific Name Salvia greggii, S. chamaedryoides, S. coccinea, S. microphylla, S. Clevelandii Image & Information As a general rule, these salvia may be pruned severely in the late fall or in the spring. The decision depends upon whether a gardener’s climate includes many nights of freezing…
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Blooming Wisteria
UC Marin Master Gardeners: Document

Pruning Wisteria

 The primary goal of winter pruning is to focus the plant’s energy and nutrients into the formation of buds that produce the magnificent, pendulous flowers with their delightful fragrance. We do this by aggressively pruning the wisteria so that it has a well-spaced series of main vines with side shoots…
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UC Master Gardeners of Placer County: Page

Workshops and Special Events

Visit our booth at Farmers' Markets:Auburn – Across from courthouse, May through October, 1st and 3rd Saturdays, 8:00 a.m. – 12:00 p.m. Roseville – Fountains, Whole Foods parking lot, May through October, every Tuesday, 8:00 a.m. – 1:00 p.m. Lincoln –…
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