Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to plant a tulip poplar tree [title] Look for a spot where the soil is moist but well-drained. [step] Tulip poplars will suit clay, loam and sandy soils that are moist but well-drained. Their preference is for acid or neutral soils (ph 6.1-7.5).

Ending1: They can live in zones 4-9. Avoid planting your tree in dry, shallow soil. Ending2: When gardening in a ph-controlled area, install a barrier atop the planting site. [substeps] Poplars grow well in drought-prone areas. Ending3: [substeps] There should be a constant balance to the ph of the soil. General guidelines are : 1.5 to 1.9 liters. Ending4: [title] Look for a spot with full sun. [step] Tulip poplars are capable of growing very young and tend to be somewhat susceptible to changes in the climate.

Answer format: ending1/ending2/ending3/ending4