Gardening Q & A

Q: My cucumber leaves have small silver specks on them. Is this normal or a problem?

Q: I see fertilizers labeled as “Organic Based.” What does that mean? What’s the difference between organic and natural? A: Organic fertilizers are made from materials that were once living, such as compost, manure, bone meal, feather meal, kelp, or alfalfa. Organic means the material contains carbon atoms. The nutrients are released slowly as soil microbes break them down, feeding both your plants and the soil. Natural fertilizers simply come from naturally occurring sou

Q: My hackberry tree leaves have strange “pimples” on the underside of many of the leaves. Is this a problem?

Q: My hollyhocks have lovely flower spikes and flower buds, but they fall off or open with deformed flowers. I see small brown little brown bugs among the buds at the tip of the flower spikes. Are they the culprit?

Q: I’m told not to get water on the leaves of my plants when the sun is out because the droplets act like a magnifying glass and burn the leaves. Is that true?

Lilium longiflorum (Easter Lily) Q: My trumpet lilies were up and growing beautifully until the freeze a few weeks ago killed them to the ground. What should I do? Will they come back? A: Yes — in most cases your lilies should come back just fine. A hard spring frost often damages the tender above-ground growth, but the underground bulb will survive. The leaves and flower buds turn black, mushy, or collapsed after the frost. Cut the damaged stems off at ground level. Do

Q: One of my roses doesn’t look like it has in the past. The color and size of the flowers is different and the leaves aren’t the same. What’s going on? Is it the weird winter/spring we’ve had? A: It could be weather stress from our strange Colorado winter and spring, but when a rose suddenly changes flower color, bloom size, and leaf shape all at once, there’s a very common explanation: your original rose may have died back below the graft, and the rootstock is taking ove

Q: What vegetables can I plant in June that will give me a harvest yet this summer.

Natives from Left to right: Artemisia frigida (Fringed Sage), Berlandiera lyrata (Chocolate Flower), and the purple Penstemon strictus (Rocky mountain penstemon) Q: I read a lot about planting natives but they are difficult to find and not always that attractive, especially as a small plant in a pot in the nursery. How can I be environmentally responsible and still have a beautiful landscape? A: In recent years native plants have garnered more and more interest for the h