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In home gardens, for example, the seeds of plants which are otherwise difficult to grow from seed may be made viable through scarification. The thawing and freezing of water, fire and smoke and chemical reactions in nature are what allow seeds to germinate but the process can be sped up by using the various methods described thus far.
Perennial geraniums thrive in most soil conditions and are an easy-to-grow, low-maintenance plant that produces pretty flowers in the spring and summer.
Geranium viscosissimum is a large, clumped 0.5–3 feet (0.15–0.91 m) tall perennial wild geranium. The stem, leaves, and flower stalks are covered with sticky hairs. [ 4 ] The right-green leaves are dissected, many-toothed, and deeply-lobed.
Geranium maculatum, the wild geranium, spotted geranium, or wood geranium, is a perennial plant native to woodland in eastern North America, from southern Manitoba and southwestern Quebec south to Alabama and Georgia and west to Oklahoma and South Dakota.
Geraniums will grow in any soil as long as it is not waterlogged. [2] Propagation is by semiripe cuttings in summer, by seed, or by division in autumn or spring. [3] Geraniums are eaten by the larvae of some Lepidoptera species including brown-tail, ghost moth, and mouse moth. At least several species of Geranium are gynodioecious.
The seeds remain dormant while buried in the forest floor, sometimes for centuries, until a fire removes the organic litter and exposes the seeds to sunlight. The geraniums will germinate, bloom, and set seed profusely for several years after the fire, until other plants grow large enough to shade them out.
The seed surfaces are finely reticulated. The seeds have pits or depressions in them and are wingless. The fruit is dry, and does not split open when ripened. The root system of Geranium carolinium is a taproot structure that can grow to a depth of 15 centimeters. The plant has a superior ovary.
The specific epithet hortorum is a genitive plural form of the Latin "hortus" ("garden") and therefore corresponds to "horticultural".The name was created by the American botanist Liberty Hyde Bailey who in 1914, writes "The large number of forms of the common geranium, derives from the variation and probably the crossing of P. zonale and P. inquinans (and possibly others) during more than a ...