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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. This allows a gardener to have access to wide variety of plants that are not available in their local nursery or plant store.

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.

Harden Off
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.

Harden Off Seedlings Before Planting
Plant Care
Enrich the soil with organic matter and plant one or two seedlings close to the base of a suitable support and tie them in loosely. The tendrils will soon take hold of the supports as the plants grow.

Harden off
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 ...

harden off
The process of gradually acclimatizing greenhouse or indoor grown plants in stages to different temperatures or to outdoor growing conditions.
hardpan ...

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.
herb ...

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.
Summer
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 a Tomato Plant
Hardening off a tomato plant is something that you do after they have already been planted in cubes. Harden off a tomato plant with help from the owner of Eden… Read More
How to Prune Grapevines in a Grape Arbor ...

in a stage during which it does not actively grow is said to be dormant.
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.
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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.
2 Comments About this How To
Robin Lunsford ...

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. This is especially true of early bloomers such as PJM that break dormancy very early.

It's important to harden off calendula plants. Hardening off means to gradually acclimate the plants to outdoor conditions. To harden off seedlings, bring the seed trays outside and set them in a sunny area for about two weeks, taking them inside or into a sheltered spot at night.

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. Do not plant transplants that have flowers or small fruit on them.

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. This reduces shock, which appears as yellowing or dropping leaves and fruit, a fairly common reaction with citrus.

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. After the young tree is hardened off you can transplant it outside.

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. Plant out 20cm apart and keep well watered but beware of over-watering as the plant can develop damping off disease.

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.

Once nighttime temperatures are consistently above 45"F (or even 50"F), your tomato plants can be transferred to the garden. It's always a good idea to harden off your plants first.

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
Decorative Flower planter "The Frog" ...

While indoors you will need to transplant seedlings one time to a larger pot or flat before transplanting to the garden. Harden off one full week before planting in the garden. Transplanting broccoli when they are the proper size is critical for preventing premature heading.

Do it now and pruning wounds will heal faster, new growth will have time to form and harden off prior to the first frosts. Sterilise pruning tools with straight metho between each tree to avoid gummosis (bacterial canker), silverleaf and other diseases.

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.
More growing information: How to Grow Perennials ...

You can start earlier by growing melon seeds inside 1 month ahead of when you want to transplant them outside. Wait until after the last frost before planting them outside. Harden off your seedlings by gradually introducing them out-of-doors.

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.
Photo: oceandesetoiles ...

Pot Feet for Garden Planters
5 Great Flowering Plants for Hanging Planters
How do you harden off plants?
Suggested Reading ...

Properly 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. In the fall, they can also be used to grow a crop of greens before severe weather sets in.

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 ...

Sometimes our winter weather kills the tips of branches on trees and shrubs. 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: See also: Plant, Growing, Planting, Gardening, Soil

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