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Calendula Biodiversity Companion Plant Sage Strawberry Chard

Beautiful biodiversity! Calendula – yellow, Pineapple Sage – red, Strawberries, Scarlet Chard in back.

Calendula is a terrific January on herb that brightens SoCal Gardens most of the year though they do prefer cool weather and tolerate frost. Yellow, orange, white or bicolor! Spiffy green, green leaves! One blogger refers to them as Sunshine Incarnate! Aka Pot, English or Poet’s Marigold ~ Calendula Officinalis, not to be confused with the Tagetes Marigolds used for Nematode suppression. See the Tagetes details

Be ready to give them some room! They grow up to 2′ tall and can take up a good 3′ footprint, plus they self seed, given time will spread if you let them. Plant well back from narrow pathways, or soon you won’t be able to get through!

Calendula Frost Pilgrim Terrace Community GardenIt’s easy to grow. If you still have plants from last year, gather seeds, drop them here and there in well drained areas when soil temperatures reach 60 degrees or after last frosts. Cover with about a 1/4″ of soil, and the ones that like that spot will grow themselves! Or transplant babies. They aren’t too picky about their soil and are cold hardy to 25 degrees. Scorching heat is not good, so plant sooner or later. They do great in containers! Put them in accent places or where you can see them a lot of the time!

Remove browning lower leaves to keep them looking fresh and let air circulate. They are susceptible to mildew. Deadhead to keep getting flowers!

GARDEN WORKHORSE COMPANION PLANT

Most insects avoid the plants, which is in keeping with one of its old uses as the basis for insect sprays, contains pyrethrum. The idea of brewing up calendula tea from the plants’ flowers and leaves, and using it as an insecticidal spray, is getting renewed attention based on several recent studies. In Poland, growing calendulas among cabbage resulted in fewer problems with aphids, cabbage worms, and diamondback moths. A recent study in India showed that calendula extract reduced feeding by tobacco cutworms.

The Mexican beetle avoids Bean rows that have Marigold/Calendula growing among them. Calendula repels a number of unwanted soil nematodes and asparagus beetles, but may attract slugs. Plant Calendula with tomatoes and asparagus. Calendula attracts a wide range of pollinators because it provides nectar over the whole growing season.

It is a super trap crop for aphids, whiteflies, and thrips because it exudes a sticky sap that they find more appealing and delicious than nearby crops.

Calendula flowers attract pollinator bees and butterflies! The nectar–along with the pests that it traps–attracts beneficial insects such as ladybugs, hoverflies, and lacewings. Black flies that are attracted are followed by predatory hoverflies that feast on insect pests.

Calendulas also benefit the garden below ground, where they form partnerships with soil-borne fungi that turn the plants into soil-cleaning machines. In China and the USA, calendula has been found to be useful in the restoration of soil contaminated with high levels of cadmium. In Columbia and Spain, cover crops of calendula were found to suppress root-knot nematodes.

Calendula is an excellent multi-functional plant for permaculture fruit tree guilds.

Calendula grows thick and makes a great cover crop. Seed an area, let it grow, turn it under.

Plant Calendula right in the middle of things, between, next to any plant you want to help!

PESTS & DISEASES

Pests are Aphids, snails, slugs, whiteflies and the cabbage looper. Wash away aphids, remove infested leaves if necessary. Use a vinegar solution to kill them. Toss some organic snail/slug bait around two or three times to remove generations of snails. Where there are holes in the leaves, seek and remove loopers.

The disease is Powdery mildew. No Overhead watering. Mildew can be a problem on a plant you have pinched back to get dense bushy foliage with little air circulation. Best to prevent mildew by including it in your baking soda applications. UC IPM Powdery mildew  UC IPM Calendula

SEEDSAVING

Herb Calendula Seed HeadsCalendula seeds have personality! No two are alike. Saving them is simple! Let them dry on the plant for the most nutrition the mother plant can give them. Select plants with the color you want. Hold a bag underneath the dried flower head, gently break off the seeds. If the seeds don’t want to break off easily, let them dry a little longer. Lay them out in a dry place for two to three days to dry completely off the plant.

Gather enough for yourself and to share as gifts or package up for your local Seed Swap! Label your packet, store in a dry cool dark place.


HYPO-ALLERGENIC MEDICINAL

An account, written in 1699, states “The yellow leaves of the flowers are dried and kept throughout Dutchland against winter to put into broths, physicall potions and for divers other purposes, in such quantity that in some Grocers or Spicesellers are to be found barrels filled with them and retailed by the penny or less, insomuch that no broths are well made without dried Marigold.” Marigold is another name for Calendula.

Calendula Infused Oil Hypo-allergenic MedicinalMedicinal, of course, depends on whether you like doing that with your plants. I’m not too patient about building my own remedies, though one of these days I might do it. I know Calendula from tubes of goo I buy at the health food store. It’s a natural remedy for skin ailments, minor cuts and burns, sunburn, insect bites, diaper rash, dandruff! Use for skin and tummy ailments with dogs, horses, and cows, ear mites in doggies.

Sore throat? It doesn’t matter whether it is viral or bacterial infection because Calendula is effective against both! Gargle your tea 2-3 times a day or sip warm calendula tea slowly to get immediate relief. For children, mix honey with the tea and give spoonfuls of it several times a day.

Calendula infused oil Recipe by Ashley

It increases blood flow to the skin cells, provides antioxidant protection that reduces the appearance of wrinkles and age spots, and even the visibility of scars. Calendula tea is great!

The easiest way to make the tea is to put about a tablespoon of dried calendula flowers in a heat proof mug and pour boiling water over them. Cover with a saucer and let steep for around 15 to 20 minutes.

It has antibacterial properties that make it good in toothpastes, mouthwashes, soaps, and shampoos. It is very effective in killing bacteria that cause everything from gingivitis to cavities. Research has shown that calendula has antioxidant compounds that directly impact your vision, helps prevent macular degeneration and the development of cataracts. Calendula can significantly reduce inflammation discomfort from a cough, joint pain, upset tummy. Add some calendula oil to your skin balm.

If you need a lot of flowers for your remedies, fertilizers high in phosphorus help. Jamaican bat guano is great, but needs to be added to your soil 4 months in advance of planting so it has time to break down for your plant to uptake. Plant densely and deadhead.

Warning: Some people have allergic reactions to high doses of calendula oil. Consult a trained herbalist or medical professional to avoid any major side effects.

EDIBLE LANDSCAPING – COOKING WITH CALENDULA!

Petals of single flowered varieties have better flavor! It’s spicy leaves and flowers are added to soups, sprinkled on salads, used as garnishes, in salsas, burritos, scrambled eggs, and frittatas! The yellow pigment of the flowers is used in place of saffron, in fact is called ‘Poor man’s saffron.’ It is tasty good looking in quiche, cake frosting, rice, butter, in or on cream cheese! Add to bread, syrups and conserves. You can dry the flowers and leaves for longer storage, to make winter tea and tonics.

There are tons of calendula varieties with different flower shapes, color combos, dwarfs for containers and borders, single to multi heads! Prince is heat resistant. Pacific Beauty is heat tolerant, has long stems for cutting!

Orange Calendula Flower at Pilgrim Terrace Community Garden
Orange Calendula Flower at Pilgrim Terrace Community Garden, Santa Barbara CA

We are charmed by its beauty and it serves us well. Thank you dear plant.

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The Green Bean Connection started as correspondence for the Santa Barbara CA USA Pilgrim Terrace Community Garden. All three of Santa Barbara city’s community gardens are very coastal. During late spring/summer we are often in a fog belt/marine layer most years, locally referred to as the May grays, June glooms and August fogusts. Keep that in mind compared to the microclimate niche where your veggie garden is. Bless you for being such a wonderful Earth Steward!

Love your Mother! Plant bird & bee food! Think grey water! Grow organic!

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Foliar plant care is so easy!
Use a
Dramm Can, the Perfect Foliar Machine!

Worm Castings, Compost, Manure Tea, Fish Emulsion/Kelp for FEEDING – All in ONE!

You can easily make this tea!  A handful of castings, a handful to a cup of compost, handful of manure, stir and let them soak overnight in a bucket.  In the morning, swoosh it around in the bucket one more time, let it settle, then pour the top liquid into your watering can, the one with the up turning rose.  Add a Tablespoon Fish Emulsion/Kelp, mix, and drench your plants in the morning!  Yum!

Epsom Salts, Magnesium Sulfate, Your Solanaceaes, Peppers especially, and Roses!

Magnesium is critical for seed germination and the production of chlorophyll, fruit, and nuts. Magnesium helps strengthen cell walls and improves plants’ uptake of nitrogen, phosphorus, and sulfur.  Magnesium deficiency in the soil may be one reason your tomato leaves yellow between the leaf veins late in the season and fruit production slows down.

Sulfur, a key element in plant growth, is critical to production of vitamins, amino acids (therefore protein), and enzymes.  Sulfur is probably the oldest known pesticide in current use. It can be used for disease control (e.g., powdery mildews, rusts, leaf blights, and fruit rots), and pests like mites, psyllids and thrips. Sulfur is nontoxic to mammals, but may irritate skin or especially eyes.  Sulfur has the potential to damage plants in hot (90°F and above), dry weather. It is also incompatible with other pesticides. Do not use sulfur within 20 to 30 days on plants where spray oils have been applied; it reacts with the oils to make a more phytotoxic combination.

Epsom Salts are easy to do!  Buy some Epsom Salts, what you soak your feet in, at the grocery store, mix a tablespoon per gallon, foliar feed!  Foliar feeding is simply sprinkling leaves with your solutions, and works better than applying to the soil!  Get a Dramm 5 liter long snouted watering can that has a turnable sprinkler head.  That long spout comes in handy, reaching well into your plant!  Turn the head so the water shoots up under the leaves then falls back on the tops!  The long arc of the handle gives lots of maneuvering ability!  Feed your plants once when they bloom, and again ten days later. The results, attributed to magnesium in the salts, are larger plants, more flowers, more fruit, thicker walled peppers!  I use this mix on all my Solanaceaes: eggplant, pepper, tomato, tomatillo.  Roses love it too! 

Baking Soda & Nonfat Powdered Milk for PREVENTION!

The bicarbonate of soda makes the leaf surface alkaline and this inhibits the germination of fungal spores. Baking soda prevents and reduces Powdery Mildew, and many other diseases on veggies, roses, and other plants!  It kills PM within minutes.  It can be used on roses every 3 to 4 days, but do your veggie plants every 5 to 10 days, or after significant rains, as the plant grows, because these new plant tissues are not yet protected yet by your fungicide.  Irrigate well 2 days before use; on a sunny day spray off as much of the PM as you can from plants in sunny locations.  A heaping Tablespoon baking soda to a gallon of water, with a 1/2 Teaspoon of a surfactant – insecticidal or dish soap or salad oil, does the job.  It is not effective without the surfactant to spread it and make it stick.  You can add a liquid fertilizer with it if you want.   Cautions:  1)  I have had no trouble using it on my veggies, but it may burn the leaves of some other plants, so try it on a few leaves first.  2)  Don’t apply during hot midday sun that can burn the leaves.  3)  Avoid over use – it is a sodium, salt.  For a definitive discussion of Baking Soda usage and research, see https://attra.ncat.org/attra-pub/bakingsoda.html.   The article is an easy read, nicely summarized, has references, includes cautions and info on commercial preparations.  Best of all is to plant powdery mildew resistant varieties:

  • Cucumber:  Diva
  • Yellow Summer Squash:  Success, Sunray, Sunglo
  • Zucchini:  Ambassador, Wildcat
  • Pumpkin:  18 Karat Gold, Gladiator

Add nonfat powdered milk to your Baking Soda fungicide!  Powdered milk is a natural germicide, boosts your plant’s immune system!  Apply right away on young bean plants, all your cucurbits – cukes, zuchs, any mildew prone plant.  A 1/4 c milk in your gallon of water.  Get under those leaves, early morning so the leaves dry and the habitat is less humid.

Also add Salicylic acid, an aspirin to the mix! It triggers a defense response in tomatoes and other plants as well, and stimulates growth!  One regular strength dissolved/gallon does the job.

Healthy plants and abundant production are so rewarding!  Just take a few minutes to give your plants a boost with these simple treatments!  Whether Dramm, or another can, get yourself a good one!  Make it easy to get up under those leaves!  Otherwise, you are treating only 1/2 your plant!

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