9. Harden off bulbs for a few hours in the sun
Remove big clumps of soil gently, avoiding bruising the bulbs. Note: the bulb's casing will be damp and is easily bruised. Take care!
Photo by Eric Fletcher ...
How To Harden Off Your Plants
Hardening off plants is much easier with a cloche (cold frame) - click here for more details of cold frames.
How to Harden Off Your Seedlings
By Heather Rhoades
Image by DrStarbuck These days a great many gardeners are growing the plants for their garden from seeds.
How to Harden Off Plants
Acclimating and Preparing Seedlings for Transplant by Hardening Them Off
By Marie Iannotti ...
Harden off plants. Be sure to harden off indoor- or greenhouse-grown transplants before planting in the garden. This should be done over the course of a week or two. On the first day, place plants outdoors in a sheltered spot for an hour or two.
Hardening off is the process of adapting a plant that has been grown in a greenhouse, indoors or under protective shelter to full outdoor exposure.
To acclimatise young plants that are growing in a protective environment, to cooler conditions outdoors. This is normally achieved by leaving plants outside during the day and bringing them undercover at night.
Hardy annual ...
The process of gradually acclimatizing greenhouse or indoor grown plants in stages to different temperatures or to outdoor growing conditions.
Harden Off - To gradually acclimatize a plant to a more harsh environment. A seedling must be hardened off before planting outdoors.
harden off, hardening off
A process of gradually acclimating young plants to outdoor conditions.
How to Harden Off Tomatoes
Late spring is the time to harden off tomatoes and peppers that have been growing safely in the basement. Here's how: ...
Harden off. Even plants that can tolerate some cold and frost need about a week to be acclimated to our intense sun, cold nights, and strong winds.
Harden off plants by placing them in a shaded area for a few days and gradually exposing them to longer periods of sun. Provide protection from wind by using screens of burlap, shingles or other material.
Harden off your transplants for a few days before planting outside. Hardening off is just a technique where you place the transplants outside for a few hours. Let them get adjusted to the outside conditions.
Harden off warm-season seedlings raised indoors to prepare them for transplanting into the garden.
Harvest cool-weather crops such as peas. When the harvest slows markedly, pull out the vines and plant a summer crop.
How to Harden Off Broccoli
While broccoli is a hardy plant variety, you can't simply take broccoli seedlings you started indoors or purchased and plant them directly into your garden.
Deadheading To keep plants blooming as long as possible deadhead (pinch or cut off) old blossoms before they form seeds. The plants, in an ongoing effort to produce seeds, will continue to produce flowers.
Harden Off ...
4. Gradually harden off the cannas and transplant them outside, adding plenty of compost to the soil, following the last-frost date.
After a few weeks, harden off the seedlings by gradually exposing them to the outdoor environment. Place them outside during the day and bring them in at night, or place them in a cold frame and gradually increase the ventilation.
Plants harden off progressively in the fall. If a frost occurs before hardening is complete, the frost can kill flower buds. Late frosts in the spring after dormancy is broken is also a problem.
It's important to harden off calendula plants. Hardening off means to gradually acclimate the plants to outdoor conditions.
To ensure the pepper transplants will be able to withstand the stress of the field environment, harden off the plants by reducing the level of fertilization about one week before transplanting.
Over a period of two to three weeks, "harden off" citrus trees by gradually acclimating them to the different growing conditions between indoors and outdoors.
Plant the container as early as possible in order to allow plants to harden off. If plants are healthy and go into winter with mature roots, they have a much better chance to harden off and, as a result, will tolerate winter stress much better.
To harden off, you need to bring it outside for several hours a day making sure to bring it back inside at night. Do this for at least two weeks until it is acclimated to the new climate.
Avoid fertilizing your trees in late summer to early fall so they have a chance to harden off. After deciduous trees lose their leaves but before the ground freezes, give them a good dose of water. Next, mulch around your trees.
How to grow Propagation from seed grown in the greenhouse or very warm sheltered place outdoors. Put 2-3 seeds per pot and harden off for planting out in the summer.
Squash should be harden off outdoors before being transplanted into the ground. Squash should not be allowed to grow too large in pots before transplanting as plant will suffer setback when transplanted and growth will be slowed or stunted.
And then they're moved outside to acclimatise, or harden off, to outdoor conditions, then they're potted into the final pot size. So that's five stages in all - from cutting to saleable plants - this takes on average about nine months.
Late summer or early fall pruning causes vigorous regrowth, which in some cases may not harden off by winter, leading to possible cold damage. Whenever unexpected damage from vandalism or bad weather occurs, prune at once.
It's always a good idea to harden off your plants first. Take them outdoors every day for about a week, gradually increasing their exposure to sunlight and the outdoor climate from a couple of hours to a full 6-8 hours.
Harden off one full week before planting in the garden. Transplanting broccoli when they are the proper size is critical for preventing premature heading. Transplant when seedlings are 6″ tall and have 2-4 leaves.
Do it now and pruning wounds will heal faster, new growth will have time to form and harden off prior to the first frosts.
Phloem vessels transport food (carbohydrates) and waste products throughout the plant. Phloem cells, like xylem cells, harden off and die after several months, forming bark tissue on woody plants.
See: Canbium; xylem ...
Wait until after the last frost before planting them outside. Harden off your seedlings by gradually introducing them out-of-doors. Introducing them too quickly to the bright sun will damage the seedlings.
Pot Feet for Garden Planters
5 Great Flowering Plants for Hanging Planters
How do you harden off plants?
Suggested Reading ...
Deadhead or remove flowers when they are just developing to prevent foliage from yellowing and fading. Do not prune in late summer or plants may not harden off in time for winter.
Seldom needs division. May need mulching for winter protection.
balanced fertilizer programs should be developed on the basis of leaf analyses; weak, nutrient-poor trees are unable to resist canker infections, and those that are excessively fertilized (particularly with too much nitrogen) are slow to harden off.
Snug in their protected world, plants get the advantage of natural light without drafts and frost. Cold frames are used to start seedlings or to harden off plants that were started inside.
Young plants and seedlings can be protected from frost by water bottles and plastic containers. It also gives them protection from wind. A great way to harden off plants in the spring and if you are expecting late frosts in the spring.
Feed them every two weeks (weekly for wave petunias) with diluted liquid fertilizer. Harden off young plants by putting them outside on sunny, warm days. Then bring them back in at night for several days before planting them outdoors.
Plants should not be fertilized or pruned after July 1. New growth may not have a sufficient amount of time to become woody and harden off for the winter.
Refers to a "miniature" greenhouse. When moving plants from indoors to outdoors, the need the opportunity to become accustomed to the outdoor temperatures with a period to harden off.
Common Name ...
Tender growth and flower buds often receive the most damage. Avoid fertilizing later than mid-August, so growth will have time to harden off before winter. Die back will have to be pruned out in the spring or early summer.
Sow one per 7cm (3in) pot filled with multi-purpose compost. Water in and place in a cool but frost-free place. Avoid heated rooms or hot greenhouses as they will fail to germinate. Harden off before planting out 23cm (9in) apart.
See also: Plant, Growing, Planting, Gardening, Soil