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Cactus Seeds

  • Brand: KNOWN-YOU
  • Quantity: About 50 seeds per package
  • Germination: 3 weeks approx.
  • Soil Condition: pH of 5.0-6.5
  • Sowing depth: 2-3 cm deep
  • Spacing: Sow seeds 2-3 inches apart 
  • Light: Full Sun
  • Watering time:Frequent
  • Fertilizing: Recommended
SKU: I-040

Availability: Out of stock


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Official Name:  Cactaceae

General description: Cacti are all flowering plants, but some have more prominent blooms and there are a few, such as MammillariaGymnocalycium and Parodia, that will flower quite easily with impressive, colourful displays. Cacti flower on fresh growth, so if your plant just sits there, unchanging year after year, it's very unlikely to flower. What you should do is to get the plant to follow its natural growth cycle. It needs to go dormant in winter and then wake up in spring. So, put it somewhere dry and cold, but not dark, over winter, and stop watering all together. In spring give it as much sunshine as possible and start to water it. In the wild cacti can live for hundreds of years. Indoors they may survive for 10 years or more. The trouble with old ones is that every single knock, scratch or blemish they get stays with them, so they tend to look less appealing as they get older.

How to grow: Seeds form in blooms of the cactus. If you wish to attempt collecting them, remove flowers as they fade and place in a small paper bag. You’ll find the seeds when the flowers have totally dried up. You may also purchase seeds, as many are available online. Check to make sure you’re purchasing from a reputable source. You want healthy, viable seeds to sprout. Dormancy of the seed must be removed before it will sprout. Several means of removing the dormancy factor are important when learning how to plant cactus seeds successfully. Nick the tough coat covering the seed. Soaking seeds before growing is necessary for some types. Opuntia, for example, is one of those with a tough seed coat and will germinate more quickly if the seed surface is abraded and soaked. Opuntia seeds also benefit from the cold stratification process. For the most successful seed growth, follow the steps in this order: Scarify the seed, making a small opening, with sandpaper, a small knife, or your fingernail. Soak in lukewarm water for a few days, changing the water daily. Stratify by placing in soil in the freezer or outdoor cold for 4 to 6 weeks. After the completion of these steps, plant your seeds into a moist, well-draining seed starting mix and cover. Do not plant deeply. Some, such as golden barrel cactus, can be just laid on top of the soil. No more than a light soil covering is needed for others. Locate in a bright area, but not direct sunlight. Filtered sunlight is acceptable. Even though cactus grows in dry areas, it requires high humidity to germinate. Soil must remain moist, but not soggy. Seeds will sprout in a few weeks to a few months. Patience is a virtue. Above soil growth develops before the root system, according to cactus seed growing info, so consistent moisture and high humidity is necessary until roots are well-developed. This is normally until the plant fills the small starting container. You may then transplant your seed-started cactus.


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