There are lovely rose gardens in Sacramento, such as at Capitol Park and McKinley Park, where you can see many varieties blooming. Generally, varieties are clearly identified with a sign or the tag attached near the base of the plant. You may see roses that you will want to select for next year s planting season. Unless populations are very large, aphids do little long-term damage other than create the messiness of the honeydew and resultant sooty mold. Large numbers, however, can cause leaves to curl and drop prematurely.
Most aphid damage occurs when temperatures are mild.
With high summer heat, the population may decrease. Periodically, wash off aphids with a strong stream of water. Bands of sticky material applied to tape which is attached to the tree trunk can prevent ants from climbing up the trees. Many vegetables are well suited to container growth. Containers should be of sufficient size that plants have room to develop.