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The low viability may discourage seed predators, which do not want to waste time sorting chaff (empty seeds) from edible seeds. Successful germination often requires a fire or flood, reducing competition for seedlings. The winged seeds are small and light, weighing 3.3–5.0 mg (200–300 seeds/g; 5,600–8,500/ounce).
Parsley is easy to grow from seed, although it can be slow, taking three weeks or more to germinate. To start, bury seeds 1/4 or 1/2 inch below the soil surface and keep watered.
The Santa Monica Mountains are covered by hundreds of local plant species: some are endemic or very rare, some are beautiful California native plants in situ, and some also are familiar as horticultural ornamental and native garden plants. Each season has different plants predominating the visual experience.
You do not have to run grow lights for weeks at a time when starting seeds indoors. You don't need to worry about having leggy seedlings because they are planted and grown outdoors. There is no need to harden off the seedlings as they are already acclimated to outdoor conditions.
Growing cobra lilies from seed is extremely slow and cobra seedlings are difficult to maintain, so these plants are best propagated from the long stolons they grow in late winter and spring. When a minute cobra plant is visible at the end of the stolon (usually in mid to late spring), the whole stolon may be cut into sections a few inches long ...
It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...
It is an evergreen tree growing to 30 metres (98 feet) tall with a trunk up to 90 centimetres (35 inches) in diameter. [8] The largest recorded tree is in Mendocino County, California, and measured (as of 1997) 33 m (108 ft) in height with a 36 m (119 ft) spread. [9]
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