Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to propagate bougainvillea [title] Cut a mature stem to a length of 6-8 inches (15-20 cm). [step] Use a pair of sharp pruning shears to snip the lower end of the stem at a slight angle. Only take healthy cuttings that do not have signs of disease of infestation.

Ending1: Cutting the stem at an angle increases its surface area, allowing it to take up more moisture and nutrients from the planting soil. [substeps] Wear gardening gloves and eye protection when you take a cutting. Ending2: [substeps] Cutting off open or starving stem buds encourages new growth and healthy planting opportunities. [title] Cut the top and bottom of the stem down to form a " burrito " shape. Ending3: [substeps] You can handle your stem any way you like: buried in a drawer, in a bin, in a sunny windowsill, under your bed, or on your balcony. Muscasco has a robust bush bush with sturdy stems and bush roots. Ending4: [substeps] Some native american varieties of bougainvillea grow considerably longer. Check the seeds for signs of disease often.

Answer format: ending1/ending2/ending3/ending4