Perennials For Difficult Spots
Hollyhock (Alcea rosea) (figure C) is an old garden favorite. Hollyhocks grow 4' to 8' tall and produce blooms ranging in color from light yellow to deep purple. Hollyhocks require full sun. Plant them where they have some protection from the ... [... more]
DIYnet |
Crocosmia 'Blos' Bressingham Beacon
Grow in average, medium wet, well-drained soil in full sun to part shade. Prefers moist soils in full sun. Plant corms in spring 2-3" deep and 6-8" apart. Only reliably winter hardy to areas where winter temperatures do not dip below 0 F. In ... [... more]
Missouri Botanical Garden |
Vitex Agnus-Castus
Best grown in loose, medium wet, well-drained soils in full sun. Plant in sheltered locations north of USDA Zone 7. In USDA Zones 5 and 6, this shrub often suffers winter die back or dies to the ground in severe winters. It is not considered ... [... more]
Missouri Botanical Garden |
Rhododendron 'Herbert'
Best grown in acidic, humusy, organically rich, medium wet, moisture-retentive but well-drained soils in part shade. Prefers locations with sun-dappled shade or morning sun with afternoon shade. Avoid hot afternoon sun. Plant in a location ... [... more]
Missouri Botanical Garden |
Eremurus X Isabellinus (Shelford Hybrids)
Grow in organically rich, well-drained soils in full sun. Plant crowns 4-6" deep over a mound of soil, spreading the finger-like roots over the mound as one would plant a bare root rose. Space 1-2' apart. Soils must be well-drained or root rot ... [... more]
Missouri Botanical Garden |
Rhododendron 'Stewartstonian'
Best grown in acidic, humusy, organically rich, medium wet, moisture-retentive but well-drained soils in part shade. Prefers locations with sun-dappled shade or morning sun with afternoon shade. Avoid hot afternoon sun. Plant in a location ... [... more]
Missouri Botanical Garden |
Crocosmia 'Lucifer'
Grow in average, medium wet, well-drained soil in full sun to part shade. Prefers moist soils in full sun. Plant corms in spring 2-3" deep and 6-8" apart. Only reliably winter hardy to areas where winter temperatures do not dip below 0 F. In ... [... more]
Missouri Botanical Garden |
Rhododendron 'Girard's Mount Saint Helens'
Best grown in acidic, humusy, organically rich, medium wet, moisture-retentive but well-drained soils in part shade. Prefers locations with sun dappled shade or morning sun with afternoon shade. Avoid hot afternoon sun. Plant in a location ... [... more]
Missouri Botanical Garden |
Rhododendron 'Girard's Rose'
Best grown in acidic, humusy, organically rich, medium wet, moisture-retentive but well-drained soils in part shade. Prefers locations with sun-dappled shade or morning sun with afternoon shade. Avoid hot afternoon sun. Plant in a location ... [... more]
Missouri Botanical Garden |
