Marginally hardy in Zone 5. Make sure soil is well-drained and mulch to provide winter protection.
More growing information: How to Grow Perennials
Pests: Citrus mealybug ...
For marginally hardy small trees and shrubs, you can protect them from frigid winds by driving 3-4 stakes around their perimeter, about 8-12 inches from the branches, and then wrapping them with burlap.
Marginally hardy plants can generally be overwintered by putting them in a cold frame and adding some dry leaves or pine needles for extra protection. A 6- by 4-foot cold frame would be plenty large enough to grow a variety of winter crops.
Protection: Gardeners in cold regions should protect their marginally hardy vines by mulching their bases.
The Meidiland (MAY-dee-land) roses are marginally hardy in USDA Zone 4 and need some winter protection. Ferdy, Bonica, Royal Bonica, and Sevillana are part of this series.
The best planting sites for marginally hardy plants in your garden include northern and eastern exposures with a wall to the south, and areas where plants can benefit from warmth released by paved areas. Areas to avoid include open, eastern exposures.
Lay cut-off boughs on frozen soil to protect marginally hardy plants and untimely growth during winter thaw.
Its increased cold tolerance means that this new plant will look better in winter wherever gardenias are marginally hardy. 'Chuck Hayes' will grow well most winters even in zone 7, a full zone farther north for gardenias.
If the rose is known to be only marginally hardy additional protection can be provided by surrounding the plant with a cylinder of chicken wire, 14 to 16 inches diameter by 12 inches high, and filling it with leaves or chopped straw.
Temperatures did get quite low in many areas, and marginally hardy plants may have been nipped. Give plants the opportunity to grow, and assess how much damage you have, and then prune.
Easter lilies grown in the cooler zones such as Northern Illinois are marginally hardy. It is recommended that they be planted 8' deep and heavily mulched over the winter, in case of a hard freeze. It's worth the effort.
Easter lily care ...
Cut off the boughs and place them on the ground like a blanket to protect plants that are susceptible to windburn, plants that are marginally hardy in your area, and plants that might come up early and be nipped by a late spring frost, ...
Grows in well-drained nonacid soil from cuttings. Sun. Marginally hardy; plant in protected site.
Leaves flavor sauces, poultry, soups. Good for meats, rice. Grown as topiary, and bonsai.
Sage
Salvia spp.
Flowering shrubs, trees or vines which are marginally hardy in the planting area should be protected the same way a tender rose is protected.
Climbing Roses ...
Pekin willow and its close relative, the globe willow, are marginally hardy in the Denver area, but thrive on the Western Slope if given sufficient water.
Winter wind protection is important for marginally hardy plants or those newly planted. Wind screens and anti-desiccants can help protect plants, but native plants and plants well-adapted to a cold hardiness zone seldom need protection.
Where snow cover is not dependable, a winter mulch of leaves or straw can help marginally hardy plants survive a cold winter. Well-drained soil is also a benefit. Heavy, wet soils will often heave and damage plant roots.
In hot-summer areas, plant in a shady or partly shaded spot to keep leaves from being sunburned. Keep plants watered during extended droughts and protect them from frost in areas where they are marginally hardy.
 See also: Margin, Hardy, Plant, Grow, Flower
  
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