Astrophytum Coahuilense
Astrophytum 'Coahuilense'
Astrophytum is a genus of six species of cacti sometimes referred to as living rocks. They are quite popular amongst domestic cacti collectors for their flowering habit; their flowers are usually yellow or white. Some species will become short columnar later in life if properly maintained. Some also have distinctive white flecks on their bodies. They are readily propagated from seed.
Contributed by @wwTigraww
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Full sun to partial shade
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Very little water
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Not Frost hardy
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Light and free draining
Common name
Astrophytum 'Coahuilense'
Latin name
Astrophytum Coahuilense
type
Succulent
family
Cactaceae
ph
5.5 - 6.5 Acid - Neutral
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Light
Full sun to partial shade
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Frost
Not Frost hardy
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Soil
Light and free draining
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Water
Very little water
Plant & bloom calendar
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Best time to plant
full grown dimensions
0.15 M
0.15 M
Astrophytum Coahuilense
Astrophytum is a genus of six species of cacti sometimes referred to as living rocks. They are quite popular amongst domestic cacti collectors for their flowering habit; their flowers are usually yellow or white. Some species will become short columnar later in life if properly maintained. Some also have distinctive white flecks on their bodies. They are readily propagated from seed.
Planting young plants
From Early Summer TO Late Summer
Astrophytum typically don't like direct afternoon sunlight and should be in partial shade through the hottest hours. They can take direct sunlight in the morning and afternoons. A rich, fast-draining cactus mix is ideal. To plant, do this preferably during the warm season. To repot a cacti, make sure the soil is dry before repotting, then gently remove the pot. Knock away the old soil from the roots, making sure to remove any rotted or dead roots in the process. Treat any cuts with a fungicide. Place the plant in its new pot and backfill with potting soil, spreading the roots out as you repot. Leave the plant dry for a week or so, then begin to water lightly to reduce the risk of root rot.
Propagation
From Late Spring TO Late Spring
Astrophytum are propagated from seed. Use John Innes No 1 with added grit or sand for added drainage. Sow the seed in spring. Large seed will need a covering of one to two times the depth of the size of the seed. Small fine seed should not be covered, but mix the seed with a little sand to help with an even distribution. Water with a misting bottle or a watering can with a fine rose and cover the pot with a sheet of glass or plastic bag. Keeping them at 21°C in partial shade. Allow air into the pot daily by removing glass or plastic bag and wiping off condensation. Keep moist but not overly wet. Pot on seedlings when they are big enough to handle. It can take up to 12 months for them to reach this stage.
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