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How to grow saguaro cactus
Select a container for your saguaro cactus seeds.
Choose a small-to medium-sized plastic planting pot with drainage holes.
Mix soil and fill the pot.

Available options: +Close the lid and shake the cactus pot; mix the contents of the pot with a spoon until you have made a mound about the size of the cactus you are planting. Plant the saguaro cactus into the soil.; +Pour water into the container until it covers the roots. Make sure you do not fill the roots more than 6 inches (15 cm) up.; +Add a thin layer of compost, and sprinkle several handfuls of seed. Space your seed cuttings 1-2 inches (2.5-5.1 cm) deep.; +Saguaro, like other cacti, need extremely loose, loamy and coarse soil that is free of organic fertilizers like manure. Combine 1-part each of sand, peat moss, turf soil and garden loam.;
Saguaro, like other cacti, need extremely loose, loamy and coarse soil that is free of organic fertilizers like manure. Combine 1-part each of sand, peat moss, turf soil and garden loam.