DAHLIA. - Knowledgebase Question

Monticello, Ne
Question by del_spe
April 21, 2010
WOULD LIKE TO PLANT NEAR A LARGE TREE..LOTS OF ROOTS. I HAVE AMENDED THE SOIL..AND ATTEMPTED TO PLANT BULBS..NOTHING CAME UP. SO,HERE I GO AGAIN WITH DAHLIA BULBS. MY DAD HAD THROWN SOME WILD SEED AT ONE POINT AND THEY GREW..CAN YOU YOU GIVE ME SOME INFORMATION. THANKS DELPHINA


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Answer from NGA
April 21, 2010

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The problem with planting near large trees is that they have extensive root systems that will compete with other plants for moisture and nutrients. Dahlias grow best in deep, rich, moist soils. I hope it grows for you. If not you may need to find drought tolerant plants to grow beneath the tree. Here are a few suggestions - most need full sunshine in order to grow well. Asclepias tuberosa - Butterflyweed; Agastache foeniculum - Anise hyssop; Artemisia spp. - Artemisia; Aster spp. - Asters; Baptisia australis - False blue indigo; Centauria montana - Perennial bachelor?s button; Coreopsis spp.- Coreopsis; Dianthus spp. - Pinks; Echinacea purpurea - Purple cone flower; Echinops ritro - Globe thistle; Erygium spp. - Sea holly; Euphorbia sp. - Spurge; Gaillardia spp. - Blanket flower; Geranium macchrorhizum - Bigroot geranium; Helleborus sp. ? Hellebores; Hemerocallis spp. ? Daylily; Hibiscus moscheutos - Common mallow; Iris sibirica - Siberian iris; Lavendula angustifolia -Lavender; Liatris spp. - Gay feather; Nepeta spp. - Catmint; Paeonia sp. - Peony; Perovskia atriplicifolia - Russian sage; Phlox spp.- Phlox; Rudbeckia spp. - Black-eyed Susan; Salvia spp. - Sage; Sedum spp. - Sedum; Sempervirens tectorum - Hens and chicks; Stachys byzantina - Lamb= ears; Stokesia laevis - Stokes aster; Thymus spp. - Thyme; Verbascum spp. - Mullein; and Yucca spp. - Yucca.

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