Zantedeschia aethiopica
Winter hardy to USDA Zone 8, and may survive some Zone 7 winters with protection. Plant rhizomes 3-4" deep and 12-18" apart in spring after threat of frost has passed. Best in moist soils with full sun to part shade. Prefers part shade in the [... more]
Missouri Botanical Garden |
Zantedeschia 'Rubylite Pink Ice'
Winter hardy to USDA Zone 9-10. Plant rhizomes in spring after threat of frost has passed. Best in moist to wet soils with part shade. Tolerates full sun in some climates, but prefers part shade in the St. Louis area. Lift rhizomes in fall and ... [... more]
Missouri Botanical Garden |
Zanthoxylum americanum
Prickly ash is an aromatic, spiny, thicket-forming deciduous shrub or small tree that, as the common name suggests, resembles (particularly in leaf) an ash with prickles. It is not an ash, however, but a member of the citrus family (Rutaceae) and ... [... more]
Missouri Botanical Garden |
Kemper Code: B138
Corn is a warm weather crop and should not be planted until the soil warms up to 60° F. It is one of the taller home garden crops, so locate it where it will not shade out other crops. Plant in full sun, in fertile, well-drained soil. Several ... [... more]
Missouri Botanical Garden |
Zelkova serrata
Easily grown in average, medium wet, well-drained soils in full sun. Established trees tolerate some drought. Prefers rich, moist loams. Generally tolerant of urban conditions. Japanese zelkova is a medium to large deciduous tree, typically ... [... more]
Missouri Botanical Garden |
Zephyranthes candida
Winter hardy to USDA Zones 7-10 where plants may be grown outdoors year round in moist, organically rich, well-drained soils in full sun. Plants generally need some winter protection in USDA Zone 7. Plants are not winter hardy to St. Louis where ... [... more]
Missouri Botanical Garden |
Zephyranthes grandiflora
Not winter hardy to St. Louis. Plant bulbs 2-3" deep and 3-4" apart in spring in organically rich, medium moisture, well-drained soils in full sun to part shade. Best in full sun. After summer bloom, plants go dormant. In fall before first [... more]
Missouri Botanical Garden |
Zingiber officinale
This tropical plant, needing plenty of heat and humidity, may find a temporary home in a partially shady spot of your summer garden, but pot culture is more practical for an extended growing period. The best way to start ginger is to purchase a ... [... more]
Missouri Botanical Garden |
Zinnia angustifolia
Narrow-leaf zinnias or Mexican zinnias are compact bushy annuals that typically grow 8-16" tall on hairy, branching stems. They features a profuse summer to frost bloom of single, daisy-like, bright orange flowers (to 1" diameter). Cultivars ... [... more]
Missouri Botanical Garden |
Zinnia angustifolia 'Classic' Plant of Merit
This small flowered zinnia features single, daisy-like blooms on bushy, spreading, narrow-leaved, 8-12 inch tall plants. They flower non-stop until frost and are ideal selections for hot and humid summer climates. Exceptional disease resistance. ... [... more]
Missouri Botanical Garden |
Zinnia elegans
Common zinnias are old garden favorites. They are bushy, leafy annuals that typically grow 1-3' (less frequently to 4') tall on upright, hairy, branching stems. They feature continuous summer to fall bloom in cool summer climates, but may slow ... [... more]
Missouri Botanical Garden |
Zizia aptera
Heart-leaved meadow parsnip is a Missouri native perennial which occurs most often in small colonies in woods, thickets, glades and prairies. Features flat-topped clusters (compound umbels) of tiny yellow flowers in late spring to early summer ... [... more]
Missouri Botanical Garden |
