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Ah, spring! Gardeners await its arrival each year after what can feel like an interminable winter. With the temperature rising, the ground thawing, and buds bursting into bloom, it's easy to get caught up enjoying nature's changes — but this is no time to simply sit back and smell the flowers. The season marks one of the busiest in the gardening calendar. And a trip to the nursery to buy plants ranks high on the list. However, this excursion can quickly become overwhelming as you gaze upon the many rows of enticing specimens. And problems, like not buying enough plants or ignoring the labels, can often result. So to avoid falling into these common pitfalls — wasting money and time — we asked Flora Grubb, landscape designer and owner of Flora Grubb Gardens in San Francisco, to offer preemptive strategies for garden-center mistakes. Armed with her expert advice, you'll be one step ahead with your spring tasks. Let the planting begin.

Open since 2003, Flora Grubb Gardens (floragrubb.com) has become a destination for San Francisco Bay-area garden novices and landscape professionals alike, thanks to its extensive list of unusual plants and well-informed staff.

Keep Reading: Avoiding the 10 Most Common Nursery Mistakes