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About Nora Harlow

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So far Nora Harlow has created 102 blog entries.
21 02, 2023

Helleborus 101

2025-01-25T10:21:37-08:00Categories: Blog, perennials, Nora Harlow|Tags: , |

It might seem that hellebores are for expert gardeners and collectors only and a few of them are. The rest may look delicate, fussy, and difficult to grow but are quite amenable to cultivation in a fairly wide range of soils and situations. Hellebores, especially species but also many of the hundreds of cultivars, lend a connoisseur’s cachet to gardens in summer-dry parts of the world. Helleborus orientalis, beautiful in its own right, is the main parent of many hybrids If you are a newcomer to hellebores, there are several things it might be helpful to know.

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31 01, 2023

April Showers Bring May Flowers — Or Do They?

2025-01-25T10:21:34-08:00Categories: Blog, Climate, Nora Harlow|Tags: , |

If it seems that some of your trees or shrubs are leafing out or flowering early these days, it may be so. One of the most commonly observed effects of global warming is early onset of these usually reliable signs of approaching spring. Ceanothus maritimus ‘Valley Violet’ usually blooms in early spring. The species is native to coastal bluffs of San Luis Obispo County, California. We know that global warming is not just something that will happen in the future. It’s happening now, has been for decades, and the speed of change is accelerating. According to the

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14 01, 2023

Ferns for Summer-Dry Climates

2025-01-25T10:21:34-08:00Categories: Blog, California Native, Nora Harlow, ferns|Tags: , , |

Guaranteed to lift your spirits on the dreariest of winter days, summer-dormant Polypodium californicum (California polypody) appears suddenly with the first fall rains, remains a lustrous bright green until mid-spring, and then just as suddenly dies back to the ground leaving barely a trace. Polypodium californicum in University of California, Berkeley, Botanical Garden Native to coastal California and northern Baja California, Polypodium californicum is usually found in shaded canyons, on streambanks and north-facing slopes, and on rocky cliffs and bluffs within or near the summer-fog zone. A volunteer in my northern California garden, it has reappeared reliably

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9 12, 2022

Environmental Benefits of Perennial Grasses

2025-01-25T10:21:33-08:00Categories: Blog, grasses|Tags: , , |

Perennial grasses have long been popular garden subjects, usually for their aesthetic value -- the meadow effect when used in large drifts, the drama when backlit by the setting sun, the architectural beauty of those that retain their formal shape even into dormancy. Festuca mairei (Atlas fescue) catches afternoon light in a California garden There are, of course, other good reasons to use perennial grasses liberally in both private and public landscapes. Grasses are an integral part of many ecosystems and they provide many environmental benefits at local, regional, and global levels. Canada geese feed on

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23 10, 2022

Ginkgo

2025-01-25T10:21:32-08:00Categories: Blog, trees, shrubs, Nora Harlow|

My neighbor's ginkgo tree (Ginkgo biloba) is coloring up again, bright yellow now, headed for screaming saffron. I don't know why it still surprises me, this always welcome yet somehow unnerving contrast against the dark green coast live oaks and bays that dominate my garden. This ginkgo was planted more than thirty years and three neighbors ago and its fall transformation still takes me by surprise. Fall colors of Ginkgo biloba in the San Francisco Botanical Garden Usually planted for its stunning fall color, Ginkgo biloba is attractive and interesting at any time of year. Long-lived

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30 09, 2022

Scented Geraniums

2025-01-25T10:21:31-08:00Categories: Blog, Garden Plants, Nora Harlow, subshrubs|Tags: , |

Plants commonly known as scented geraniums are species and cultivars of the genus Pelargonium with especially fragrant leaves. Most pelargoniums have at least lightly aromatic leaves, but some are grown primarily for their fragrance. Minty, fruity, spicy, nutty, lemony, or other distinctive aromas are released when leaves are touched or bruised. Pelargonium 'Orsett', with mint-scented leaves, cascades over rocks and walls Scented geraniums are small, tender, fast-growing, semi-woody subshrubs native to summer-dry, winter-wet climates of southern Africa. They are easily grown where winters are mild and where, if summers are hot, some afternoon shade can be

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22 08, 2022

White Sage

2025-01-25T10:21:31-08:00Categories: Blog|Tags: , , |

The standout qualities of California white sage (Salvia apiana) come into sharpest focus in August or September, when many other summer-dry salvias have gone over, dropping their leaves and sprawling widely, bare and somewhat rangy at near-complete rest. There it is, white sage, in its late-summer finery, looking, though different, as handsome as it did in spring. Salvia apiana, California white sage, in summer White sage does go through seasonal stages but all are attractive. Its new leaves in late winter are gray-green and lightly felted, broadly lance-shaped or elliptic, and the 2- to 4-foot shrub is

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