The bulbs are typically potted about October 1 and then placed in chilly settings for three to four months before being brought outside into warmer, sunnier conditions to sprout and bloom. Tulips can be forced to blossom whenever you like by carefully planning the timing of the chilling period.
When should I begin growing tulips inside?
In the spring, tulips are a cheerful sight. But you don’t have to wait until April or May to enjoy these perennial favorites that bloom in the spring. Tulip bulbs can be brought indoors to add color to the winter’s gloomy, chilly days. Tulips can be enjoyed indoors from January through March with careful planning.
Gardeners must start the forcing procedure in late summer or early fall if they want to enjoy tulips in the winter. To successfully force tulips indoors, you’ll need high-quality bulbs, a well-drained potting mix, and containers with drainage holes on the bottom.
Visit neighborhood garden centers in September as soon as the bulbs arrive for the finest variety. Pick out sturdy, big bulbs. Skip the tiny, flimsy, or imperfect bulbs. Additionally, tulip bulbs can be ordered through mail-order businesses. The Triumph, Single Early, Double Early, and Darwin Hybrid tulips are the finest for forcing.
Forcing containers can be made of metal, clay, ceramic, or plastic. As long as it has drainage holes on the bottom, practically any container can be used.
Planting soil should first partially fill the container. The tulip bulbs should next be placed on top of the soil. The soil should be raised or lowered until the tops of the bulbs are just over the container rim. Depending on the size of the pot, different numbers of bulbs should be planted within. In general, 4 to 5 bulbs go in a 5-inch pot and 6 to 7 bulbs go in a 6-inch pot. Tulip bulbs should be placed in the container with their flat side facing the pot’s inside wall. The enormous lower leaf of each bulb will grow outward over the side of the container when planted in this manner, creating a lovely border around the pot’s edge. Add more potting soil to the area around the bulbs after they are in the right place. Don’t entirely enclose the bulbs though. The bulb tops (noses) should poke out from the potting soil. The level of the soil mixture should be 1/2 to 1 inch below the rim of the container to make watering easier. As each pot is planted, label it. Add the cultivar’s name and the planting date. Each container should be well watered after potting.
Tulips and other spring-blooming bulbs require 12 to 16 weeks of exposure to temperatures between 40 and 45 degrees Fahrenheit in order to bloom. The refrigerator, the root cellar, or an open trench are all potential storage locations. If the refrigerator has apples or other ripening fruit when being used for cold storage, put the potted bulbs in a plastic bag. Fruit that is about to ripen emits ethylene gas, which could hinder flower development. The bulbs should be kept in complete darkness and periodically watered while being kept in cold storage.
When the required level of cold has been reached, start taking out the potted tulip bulbs from the cold storage. Yellow shoots from the bulbs should have started to appear at this point. Put the tulips in a spot that receives low to medium light and is cold (50 to 60 degrees Fahrenheit). Keep them here until the shoots turn green, which should happen in 4 or 5 days. Then transfer them to a warm (60–70 degrees Fahrenheit) area that is well-lit. Water the plants frequently. Regular container turning will encourage straight, upright growth. Three to four weeks after the bulbs have been taken out of cold storage, flowering should typically start. Every two weeks, remove pots from cold storage for a succession of indoor blooms.
BRING SPRING INDOORS YEAR-ROUND…
If you adhere to a few basic rules, it’s simple to grow a pot of budded tulips as a great midwinter gift or a reminder that spring is approaching:
Select bulbs that are firm and weighty for their size (12 cm or more), and that are topsize. Larger bulbs produce larger flowers. Pick tulips that bloom early, such as Triumph or Single Early.
In the pot, group the bulbs closely together. More bulbs result in more blooms. Typically, a 6 pot can accommodate 6–7 bulbs. Because the bulbs already have the necessary nutrients, fertilizer is not required.
Use potting soil that is easy to drain. The bulbs should be buried in the soil once the container has been filled to within 2 of the top rim of the pot. As more soil is added, the bulbs’ tips will eventually disappear completely. The soil should be about half way down the top rim.
Thoroughly water. If you wish to distinguish between the pots that you planted because most tulip bulbs resemble one another, label the pot! Various types bloom at a little bit different times.
For a minimum of 12 weeks, keep the pot in a consistently dark, cool (40 to 45 degrees Fahrenheit) environment. The most consistent results will come from a refrigerator, so make sure it doesn’t freeze and avoid putting produce in it when bulbs are inside. As most fruits and vegetables ripen, ethylene gas is released, which harms flower buds. (A little, useful addition to the garage is a mini-fridge specifically designed for bulb forcing.)
Periodically water the pot of bulbs; it shouldn’t be allowed to completely dry out because too much moisture will cause the bulbs to rot. After 12 weeks, light green or yellow sprouts should start to emerge above the soil’s surface. At this point, the pot should be removed and placed in a dim area with a temperature between 50 and 60 degrees Fahrenheit.
The seedlings will turn bright green after a few days. Place the pot in a warm, sunny area (60 to 70 degrees). To ensure that the plant receives sunshine from all sides and has straight stems, water it frequently and rotate the pot every few days. In three to four weeks, blooms ought to unfold.
Trim the dead petals when the flowers have completed blooming, but leave the leaves alone. The clump of bulbs should be removed from its pot as soon as the threat of a severe frost has passed and planted outdoors in a sunny, well-drained area. Water the foliage often until it becomes yellow, then fertilize with perennial or bulb food. The tulips should bloom again at their usual time the following year after being securely pruned back. Avoid attempting to force them a second time; it rarely works.
In the winter, can I grow tulips indoors?
Tulip indoor cultivation is a simple and enjoyable project. Enjoy the vibrant spring colors even in the dead of winter.
It’s simple to grow tulip bulbs in containers. All the bulbs need is a drink of water and a place to relax. The bulbs already contain the blooming buds.
Forcing is the process of growing tulips indoors. Choose the largest bulbs you can locate to start.
Use a container with a wide bottom, such an azalea pot. When the plants grow taller, these are less prone to topple over.
The tips of the bulbs should be placed at the surface of the potting soil when you fill the pots. Don’t space the bulbs more than two inches apart from one another.
The flat side of a tulip bulb is where the largest leaves appear. The leaves of the bulb should fall over the inner lip of the container when it is planted so that its flat side is up against it.
Before the bulbs begin to produce sprouts, they require around 14 weeks of cool temperatures (the 40s). Although an unheated garage is a good option, the basement refrigerator is the best place to grow them. Water the soil before it cools, and keep it moist but not soggy.
Place them near a window that gets plenty of sunlight after they begin to sprout. The blossoms will be exciting in a few weeks!
Written by North Dakota State University Extension Horticulturist Tom Kalb. Published on October 15, 2014, in the NDSU Yard & Garden Report. September 2020 update The photographer, Peter Kemmer, specified a Creative Commons license when he made the image available.
What month should tulips be planted?
- Use chicken wire to cover planting holes, a fence, repellant spray, or container gardening to keep animals away.
Is there anything happier than a large tulip field blooming in the spring? The profusion of vibrant blossoms is a sight for sore eyes after a protracted winter of cold and snow. You may build and enjoy a robust tulip show in your own yard with these tactics and pointers.
How to Choose Tulips
Hybrid tulips make up the majority of the tulips you see in landscape plantings, as well as those offered for sale at garden centers and home improvement shops. For the greatest impact, hybrid tulips normally need to be replaced every year. (We’ll cover how to persuade them to return below.) When given the proper growing circumstances, species tulips will return year after year in zones 4 to 7. These have smaller flowers and pointier petals than hybrid tulips, and they are shorter.
Individual tulips don’t flower for very long, especially the hybrids. However, there are types that bloom in the early, mid, and late seasons at various periods. When buying, choose a couple cultivars from each bloom time category for a long-lasting display.
Where to Plant Tulips
For the best show, tulips need full sun, which entails at least six hours every day of bright, direct sunlight. They are also great additions to rock gardens since they favor quick-draining soil.
When to Plant Tulips
Fall is the best time to plant tulip bulbs. Prior to planting, the soil must have cooled from the summer growing season, which could occur in September in cold regions (zones 3 to 5), October in transitional temperatures (zones 6 to 7), and November or December in warm areas (zones 8 to 9). Use a soil thermometer to measure the soil’s temperature, and plant when it reaches 60 degrees F at a depth of 6 inches.
For tulips to bloom, they need to be chilled. Buy pre-cooled bulbs and plant them in December if you intend to grow tulips where the soil temperature won’t fall below 60 degrees for at least 12 weeks.
How to Prepare the Soil for Planting Tulips
Use Miracle-Gro Garden Soil for Flowers to prepare the planting space for tulips by incorporating 3 inches of garden soil into the top 6 to 8 inches of native soil. Tulips will develop a strong root system in the fall thanks to the nutrients provided by the soil, which is necessary for a significant spring bloom. However, to get the best results from your tulips, you must combine the strength of excellent soil with just the appropriate plant food. For details on what and when to feed tulips, see “How to Feed Tulips” below.
How to Plant Tulips
Tulips should be planted in bunches of 10 or more for the best display. The pointed end should be facing up as you plant each bulb 8 inches deep (measure from the bottom of the bulb and add the depth of any mulch on top of the soil in your measurement). It is possible to place bulbs close to one another. Thoroughly water.
How to Grow Tulips in a Pot
In pots, tulips are simple to grow. The bulbs should be buried at least 8 inches deep, much like with in-ground plantings, so measure from the top of the container to a depth of about 9 inches, then fill the pot up to that point with Miracle-Gro Potting Mix. Put the pointy end of the bulbs in the pot (you can pack them tightly together). After thoroughly watering, cover with the potting mix. Move the container to a cool, dry spot that stays at or below 40 degrees Fahrenheit during the winter before the first frost in your area. Bring the container outside to a sunny area when you notice tulips budding. Water the soil there. Once you notice green growth, start watering often.
How to Water Tulips
When you plant tulips, make sure to thoroughly water each planting space. After planting, give the plants one watering each week for the first month. Then, leave them alone until spring. When the leaves come out in the spring, start watering once more.
How to Feed Tulips
Apply Miracle-Gro Shake ‘n Feed Rose & Bloom Plant Food in accordance with the instructions on the package once the flowers have faded. In order for the bulb to conserve nutrients for the following growing season, this will aid in promoting leaf growth. Every year in the late fall, feed for the final time (around the same time as you would plant new bulbs).
How to Cut Tulips to Enjoy Indoors
When the buds are still tightly closed, cut tulips. You should be able to identify the hue of the blooms despite the petals’ possible greenish tint. Put inside a spotless vase with room temperature water. Once cut and brought indoors, tulips will continue to “grow” (the stems extend). Simply trim a few inches from the bottom of the stems every few days if they start to get unruly. If you mix Miracle-Gro for Fresh Cut Flowers into the water and replace the water every few days, cut tulips will stay longer (compared to water only).
What to Do After Tulips Bloom
The best tulip flower display will typically occur in gardens in the spring that immediately follows the fall when the bulbs are planted. Once the petals have faded, trim the flower stalk back to the plant’s base to encourage species tulips to return year after year. After the bulbs have gone dormant, cease feeding them as previously mentioned, stop watering them, and trim back the foliage once it has completely turned brown. Simply pluck up the bulbs from hybrid varieties (which are not perennial) and compost them.
How to Protect Tulips from Deer and Other Pests
Preventing deer from eating tulip blooms is the biggest obstacle in tulip gardening, closely followed by preventing chipmunks and squirrels from digging up the bulbs. Planting holes or trenches should have chicken wire surrounding them on all sides to prevent bulbs from being dug up. (If you’re planting large sweeps of bulbs, which is how to get the best show from tulips, this is most useful.)
Deer are another matter. Installing a long (8 feet or more) fence is the greatest approach to keep deer out of the garden, but most people cannot afford to do this. Daffodil and Crown Imperial bulbs are not consumed by deer, so interplanting tulips with these varieties may help deter them. Alternatively, you may try misting a deer repellent on bulb foliage. In light of this, it is preferable to grow tulips in pots on a screened-in porch if deer are a significant issue where you live. This way, the deer can’t access to the flowers.
Ready to start tulip gardening? To learn more about a product, to buy it online, or to locate a retailer near you, click on any of the product links above.