Southwestern Deserts

March, 2006
Regional Report

Transplant Holiday Amaryllis

Transplant amaryllis bulbs received during the holidays after bloom is finished. A site with morning sun and afternoon shade is ideal. Improve the soil with plenty of compost, and sprinkle a phosphorus source in the bottom of the planting hole to promote flowering.

Fertilize Containers

Warmer temperatures are causing a growth spurt. Make sure container plants have nutrients to grow on. Replenish slow-release fertilizers or add organic fertilizers, such as fish emulsion and bone meal.

Make Plant Lists

Spring plant sales at regional botanical gardens are coming up soon. Start researching what plants could fill those empty spots in your landscape, considering the sun exposure and space available.

Transplant Tomatoes

If you haven't done so yet, get tomatoes into the ground in the low desert. The sooner they can establish root systems, the better your chance of having a nice crop of tomatoes before summer heat hits. Be ready to protect them if frost is predicted. Higher elevations can wait a bit longer before transplanting.

Prune Non-Native Plants

If needed, prune non-native deciduous trees, conifers, and summer-blooming shrubs (those that bloom on new wood). Wait to prune native trees until early summer. That's when they start their growth spurt, and they'll come out of the pruning with vigor.

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